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(2024) Research Solutions Brief: Tapping into the Collective Knowledge of Low-volume Roads, 2024. Transportation, Department of
(2024) Research In Progress: Developing Iowa’s Own Ultra-High Performance Concrete for Bridge Decks, TR-773, 2024. Transportation, Department of
(2024) Research In Progress: Evaluating the Performance of Current Rock Check Dam Standards, SPR-RE24(007)-8H-00, 2024. Transportation, Department of
(2024) Research In Progress: Roller Compacted Concrete Shoulders, TR-829, 2024. Transportation, Department of
(2024) Research Solutions: Otta Seal Surfacing Supports Cost-Effective, Sustainable Roads, TR-753, 2024. Transportation, Department of
(2024) Evaluation of AASHTO T 397, Standard Method of Test for Uniaxial Tensile Response of Ultra-High Performance Concrete: Tech Transfer Summary, TPF-5(366), June 2024. Transportation, Department of
(2024) Research In Progress Brief: TR-830 - Modernizing Guidance for Sawing Concrete Pavement Joints, June 2024. Transportation, Department of
(2024) Research Solutions Brief: TR-770 - Reclaimed asphalt may offer resource savings and improved pavement performance. Transportation, Department of
(2024) Research Solutions Brief: TR-780 - Advanced Testing Helps Characterize Iowa Road Base Materials for Improved Performance. Transportation, Department of
(2024) Research Solutions Brief: TR-788-Evaluating the anti-corrosive effects of deicer additives. Transportation, Department of
(2024) Guidebook for Application of Polymer-Modified Asphalt Overlays: From Decision-Making to Implementation, ST-015. Transportation, Department of
(2024) Research Solutions - Selecting and repairing roads in Iowa suitable for cold in-place recycling, TR-774. Transportation, Department of
(2023) Research Solutions - Increasing concrete durability with new test methods and specifications - TPF-5(368). Transportation, Department of
(2023) Research Solutions - Choosing a penetrating sealer to enhance concrete durability - TR-765. Transportation, Department of
(2023) Research Solutions - Stabilization strategies for Iowa's unpaved roads may save money and increase durability - TR-721. Transportation, Department of
(2023) Research in Progress- Sustainable dust suppressants on gravel roads may reduce health and environmental impacts - TR-813. Transportation, Department of
(2023) Mitigation of Chloride-Induced Corrosion through Chemisorption, July 2023. Transportation, Department of
(2023) Transportation Research Circular E-C283: 13th International Conference on Low-Volume Roads, TPF-5(495). Transportation, Department of
(2023) Determination of U-Bolt Connection Load Capacities in Overhead Sign Support Structures - Phase II - SPR-RE23(010)-8H-00. Transportation, Department of
(2023) Investigation of Unbraced Pile Height in Fully-Encased Pile Bents of Bridge Structures - SPR-RE23(008)-8H-00. Transportation, Department of
(2023) National Road Research Alliance - Phase II - TPF-5(466). Transportation, Department of
(2023) Shrinkage and Temperature Forces in Frame Piers, TR-738. Transportation, Department of
(2023) Use of Concrete Grinding Residue as a Soil Amendment, TR-764. Transportation, Department of
(2022) Performance Engineered Concrete Paving Mixtures - TPF-5(368). Transportation, Department of
(2022) Performance Engineered Concrete Paving Mixtures - TPF-5(368). Transportation, Department of
(2022) Iowa in Motion 2050: Iowa Fright Plan, Annual Implementation and Performance Report, 2022. Transportation, Department of
(2022) Evaluation of Penetrating Sealers for Concrete TR-765. Transportation, Department of
(2022) Implementation of Recommendations for Eliminating Longitudinal Median Joints in Wide Bridges-TR-752. Transportation, Department of
(2021) Research Solutions - Fiber-Reinforced concrete makes Iowa Bridge Decks more durable - TR-767. Transportation, Department of
(2021) Fiber-Reinforced Concrete for Bridge Decks Project TR-767. Transportation, Department of
(2021) Research Solutions - Development of Non-Proprietary Ultra-High Performance Concrete (UHPC) for Iowa Bridges - TR-773. Transportation, Department of
(2021) Self-Heating Electrically Conductive Concrete Demonstration Project TR-724. Transportation, Department of
(2021) Development of Non-Proprietary Ultra-High Performance Concrete (UHPC) for Iowa Bridges - TR773. Transportation, Department of
(2021) Research Solutions - Iowa's updated Asphalt Pavement Standards improve Road Performance TR-742. Transportation, Department of
(2021) Validation of Gyratory Mix Design in Iowa – Phase II TR742. Transportation, Department of
(2021) Development of Bio-Based Polymer for Use in Asphalt – Phase II - TR720. Transportation, Department of
(2021) Impacts of Internally Cured Concrete Paving on Contraction Joint Spacing Phase II: Field Implementation of Internally Cured Concrete for Iowa Pavement Systems - TR746. Transportation, Department of
(2020) Beam End Repair for Prestressed Concrete Beams-TR715. Transportation, Department of
(2020) Late Life Low Cost Deck Overlays - TR-775. Transportation, Department of
(2019) Scientific Innovations in Microsurfacing and Slurry Seal Mixture Design. Transportation, Department of
(2019) Connection Details and Field Implementation of UHPC Piles - Phase II TR615. Transportation, Department of
(2019) Laboratory and Field Evaluation of an Alternative UHPC Mix and Associated UHPC Bridge TR684. Transportation, Department of
(2019) TR698 - Optimized Joint Spacing for Concrete Overlays with and without Structural Fiber Reinforcement. Transportation, Department of
(2019) Fiber-Reinforced Concrete for Pavement Overlays: Technical Overview TPF-5(313). Transportation, Department of
(2019) Fiber-Reinforced Concrete for Pavement Overlays TPF-5(313). Transportation, Department of
(2019) Overview of Fiber-Reinforced Concrete Bridge Decks TPF-5(313). Transportation, Department of
(2019) Demonstration Project for Implementation of Performance Enhanced Mixtures (PEM) - MLR-19-10/TPF-5(368). Transportation, Department of
(2018) DEVELOPMENT OF QUALITY STANDARDS FOR INCLUSION OF HIGH RECYCLED ASPHALT PAVEMENT CONTENT IN ASPHALT MIXTURES – PHASE III_TR-693. Transportation, Department of
(2018) Evaluation of Otta Seal Surfacing for Low-Volume Roads in Iowa - TR-674. Transportation, Department of
(2016) Development of a Wireless MEMS Multifunction Sensor System and Field Demonstration of Embedded Sensors for Monitoring Concrete Pavements, TR-637, 2016. Transportation, Department of
(2016) Validation of Gyratory Mix Design in Iowa, TR-667, 2016. Transportation, Department of
(2016) Improving the Foundation Layers for Concrete Pavements: Pavement Foundation Layer Reconstruction – Pennsylvania US 22 Field Study - TPF-5(183). Transportation, Department of
(2016) Polymer Concrete Overlay Evaluation, 2016. Transportation, Department of
(2016) Evaluation and Testing of a Lightweight Fine Aggregate Concrete Bridge Deck in Buchanan County, Iowa, TR-648, 2016. Transportation, Department of
(2016) Improving the Foundation Layers for Pavements: Pavement Foundation Layer Reconstruction – Iowa I-35 Field Study - TPF-5(183). Transportation, Department of
(2016) Improving the Foundation Layers for Concrete Pavements: Jointed Concrete Pavement Rehabilitation with Precast Concrete Pavement – California I-15 Field Study - TPF-5(183). Transportation, Department of
(2016) Improving the Foundation Layers for Concrete Pavements: Pavement Foundation Layer Reconstruction – Iowa US 30 Field Study - TPF-5(183). Transportation, Department of
(2016) Investigation of High-Strength Bolt-Tightening Verification Techniques, RB07-014. Transportation, Department of
(2016) Embankment Quality and Assessment of Moisture Control Implementation, TR-677, 2016. Transportation, Department of
(2016) Development and Evaluation of a Portable Device for Measuring Curling and Warping in Concrete Pavements, 2016. Transportation, Department of
(2016) Improving the Foundation Layers for Pavements: Pavement Foundation Layer Reconstruction – Michigan I-94 Field Study-TPF-5(183). Transportation, Department of
(2015) Improving the Foundation Layers for Concrete Pavements: Pavement Foundation Layer Reconstruction – Iowa I-29 Field Study - TPF-5(183). Transportation, Department of
(2015) Improving the Foundation Layers for Pavements: Field Evaluation of Premature Pavement Joint Deterioration – Iowa Urbandale Drive Field Study - TPF-5(183). Transportation, Department of
(2015) Attachment of Combination Rails to Concrete Parapets Utilizing Epoxy Adhesive Anchors, RPFP-IOWA-1, 2015. Transportation, Department of
(2015) Improving the Foundation Layers for Concrete Pavements: Pavement Foundation Layer Reconstruction with Cement Treated Base Underlain by Geotextile – Michigan I-96 Field Study - TPF-5(183). Transportation, Department of
(2015) Development of Non-Petroleum-Based Binders for Use in Flexible Pavements – Phase II, TR-650, 2015. Transportation, Department of
(2015) Improving the Foundation Layers for Pavements: Pavement Foundation Layer Construction – Wisconsin US 10 Field Study - TPF-5(183). Transportation, Department of
(2015) Reflective Crack Mitigation Guide for Flexible Pavements, TR-641, 2015. Transportation, Department of
(2015) Carbonate Rock Pore Size Distribution Determination through Iowa Pore Index Testing, MLR-15-01, 2015. Transportation, Department of
(2015) Laboratory Investigation of Grouted Coupler Connection Details for ABC Bridge Projects, RB07-013, 2015. Transportation, Department of
(2015) Cement Stabilization of Embankment Materials, 2015. Transportation, Department of
(2015) Improving the Accuracy of Camber Predictions for Precast Pretensioned Concrete Beams, TR-625, 2015. Transportation, Department of
(2015) Low-Cost Rural Surface Alternatives: Demonstration Project, TR-664, 2015. Transportation, Department of
(2015) Alkali Content of Fly Ash – Measuring and Testing Strategies for Compliance, TR-628, 2015. Transportation, Department of
(2015) Concrete Pavement Mixture Design and Analysis (MDA): Evaluation of Foam Drainage Test to Measure Air Void Stability in Concrete. Transportation, Department of
(2015) Report of the 4th Workshop for Technology Transfer for Intelligent Compaction Consortium, TPF-5(233), 2015. Transportation, Department of
(2015) Optimization of Snow Drifting Mitigation and Control Methods for Iowa Conditions Part II, TR-626, 2015. Transportation, Department of
(2014) Investigation of Field Corrosion Performance and Bond/Development Length of Galvanized Reinforcing Steel, TR-666, 2014. Transportation, Department of
(2014) Concrete Pavement Mixture Design and Analysis (MDA): Evaluation of the Fresh and Hardened Properties of Concrete Mixtures Containing Permeability-Reducing Admixtures to Develop Standard Test Protocol, 2014. Transportation, Department of
(2014) Methods for Removing Concrete Decks from Bridge Girders, TR-647, 2014. Transportation, Department of
(2014) Structural Characterization of UHPC Waffle Bridge Deck and Connections, TR-614, 2014. Transportation, Department of
(2014) The Use of Ternary Mixtures in Concrete, TPF-5(117), 2014. Transportation, Department of
(2014) Improving the Foundation Layers for Pavements: Mechanistic-Empirical Pavement Design Guide (MEPDG) Sensitivity Analysis - TPF-5(183). Transportation, Department of
(2014) Iowa Mass Concrete for Bridge Foundation Study - Phase II, Final Report, 2014. Transportation, Department of
(2013) Nondestructive Evaluation and Assessment of Concrete Barriers for Defects and Corrosion, 2013. Transportation, Department of
(2013) Pilot Construction Project for Granular Shoulder Stabilization, TR-634, 2013. Transportation, Department of
(2012) Development of Quality Standards for Inclusion of High Recycled Asphalt Pavement Content in Asphalt Mixtures, TR-624, 2012. Transportation, Department of
(2012) Anti-Icing Equipment Recommendations and Modifications, 2012. Transportation, Department of
(2012) Liquid Applicators to Combat Snow and Ice in Iowa DOT, 2012. Transportation, Department of
(2011) Examination of Curing Criteria for Cold In-Place Recycling (Phase 3: Calibration of Moisture Loss Indices and Development of Stiffness Gain Model), TR-609, 2011. Transportation, Department of
(2011) Examination of Curing Criteria for Cold In-Place Recycling (Phase 3: Calibration of Moisture Loss Indices and Development of Stiffness Gain Model), TR-609, 2011. Transportation, Department of
(2011) Evaluation of Metakaolin for HPC Deck Overlays, MLR-11-01, 2011. Transportation, Department of
(2011) Stabilization Procedures to Mitigate Edge Rutting for Granular Shoulders - Phase II, TR-591, 2011. Transportation, Department of
(2010) Development of Non-Petroleum Based Binders for Use in Flexible Pavements, TR-594, 2010. Transportation, Department of
(2010) Biofuel Co-Product Uses for Pavement Geo-Materials Stabilization, TR-582, 2010. Transportation, Department of
(2010) Identification of Laboratory Techniques to Optimize Superpave HMA Surface Friction Characteristics, TR-450, 2010. Transportation, Department of
(2010) Evaluation of Hot Mix Asphalt Moisture Sensitivity Using the Nottingham Asphalt Test Equipment, TR-555, 2010. Transportation, Department of
(2009) Laboratory Performance Evaluation of CIR-Emulsion and its Comparison Against CIR-Foam Test Results from Phase 2, TR-474, 2009. Transportation, Department of
(2009) Laboratory performance evaluation of CIR-emulsion and its comparison against CIR-foam test results from Phase III, TR-578. Transportation, Department of
(2009) Revision to the SUDAS Traffic Signal Design Guide, TR-546, 2009. Transportation, Department of
(2009) Examination of Curing Criteria for Cold In-Place Recycling Phase 2: Measuring Temperature, Moisture, Deflection and Distress from CIR Test Section, TR-590, 2009. Transportation, Department of
(2009) Feasibility Investigation of Segmentally Precast Bridge Piers for Accelerated Construction, TR-556, 2009. Transportation, Department of
(2009) Hot Mix Asphalt Reference Manual 2007-2008, Technical Training and Certification Program, 2007-2008. Transportation, Department of
(2009) Level I & II Aggregate Reference Manual 2009-2010, Technical Training and Certification Program, 2009. Transportation, Department of
(2008) Performance Evaluation of Concrete Pavement Granular Subbase - Pavement Surface Condition Evaluation, TR-554, 2008. Transportation, Department of
(2008) The Deleterious Chemical Effects of Concentrated Deicing Solutions on Portland Cement Concrete, TR-480, Executive Summary, 2008. Transportation, Department of
(2008) The Deleterious Chemical Effects of Concentrated Deicing Solutions on Portland Cement Concrete, TR-480, Implementation Guide, 2008. Transportation, Department of
(2008) Economics of Using Calcium Chloride vs. Sodium Chloride for Deicing/Anti-Icing, TR-488, 2008. Transportation, Department of
(2008) Bridge Deck Grade 2008, Technical Training and Certification Program, 2008. Transportation, Department of
(2007) Embankment Quality Phase IV: Application to Unsuitable Soils, TR-492, 2007. Transportation, Department of
(2007) Hot Mix Asphalt Reference Manual 2008-2009, Technical Training and Certification Program, 2008-2009. Transportation, Department of
(2007) Manual of Laboratory Mix Design Procedure for Cold In-Place Recycling using Foamed Asphalt (CIR-foam), TR-474, 2007. Transportation, Department of
(2007) Evaluation of Deicing Materials and Corrosion Reducing Treatments for Deicing Salts, TR-471, 2007. Transportation, Department of
(2007) Evaluation of Long-Term Field Performance of Cold In-Place Recycled Roads: Field Distress Survey, TR-502, 2007. Transportation, Department of
(2007) Air Content and Permeability of PCC Pavements: 1909 to 2006, MLR-05-02, 2007. Transportation, Department of
(2007) Certified Technicians 2008, Technical Training and Certification Program, 2008. Transportation, Department of
(2007) Hot Mix Asphalt Sampling Technician 2007-2008, Technical Training and Certification Program, 2007. Transportation, Department of
(2007) Level I & II Aggregate Instruction Text, Technical Training and Certification Program 2007-2008, 2007. Transportation, Department of
(2007) Level I & II Aggregate Reference Manual 2007-2008, Technical Training and Certification Program, 2007. Transportation, Department of
(2007) Profilograph Instruction Manual 2007-2008, Technical Training and Certification Program, 2007. Transportation, Department of
(2006) Investigation of High Performance Concrete Pavement, MLR-05-01, 2006. Transportation, Department of
(2005) Self-Consolidating Concrete—Applications for Slip-Form Paving: Phase I (Feasibility Study), 2005. Transportation, Department of
(2005) Evaluation of High-Slump Concrete for Bridge Deck Overlays, TR-427, 2005. Transportation, Department of
(2005) Development of In Situ Detection Methods for Materials-Related Distress (MRD) in Concrete Pavements: Phase 2, HR-1081, 2005. Transportation, Department of
(2005) Applications for Reuse of Lime Sludge from Water Softening, TR-535, 2005. Transportation, Department of
(2005) Fly Ash Soil Stabilization for Non-Uniform Subgrade Soils, Volume I: Engineering Properties and Construction Guidelines, TR-461, 2005. Transportation, Department of
(2005) Fly Ash Soil Stabilization for Non-Uniform Subgrade Soils, Volume II: Influence of Subgrade Non-Uniformity on PCC Pavement Performance, TR-461, 2005. Transportation, Department of
(2005) Blended Cement Patching Research, MLR-04-01, 2005. Transportation, Department of
(2005) Evaluation of PCC Specification Changes Impact on Durability: 1992 - 1997 Core Study, MLR-98-06, 2005. Transportation, Department of
(2005) The First 5 Years, April 2000 - March 2005, 2005. Transportation, Department of
(2004) Superpave Mix Designs for Low-Volume Roads, TR-414, Final Report, 2004. Transportation, Department of
(2004) Reduction of Concrete Deterioration by Ettringite Using Crystal Growth Inhibition Techniques: Part II Field Evaluation of Inhibitor Effectiveness, TR-469, 2004. Transportation, Department of
(2004) Determination of the Optimum Base Characteristics for Pavements, TR-482, 2004. Transportation, Department of
(2004) Level I & II Aggregate Instruction Text, Technical Training and Certification Program 2004-2005, 2004. Transportation, Department of
(2003) Field Evaluation of Alternative Load Transfer Device Locations in Low Traffic Volume Pavements, TR-420, 2003. Transportation, Department of
(2003) Demonstration and Field Evaluation of Alternative Portland Cement Concrete Pavement Reinforcement Materials, HR-1069, 2003. Transportation, Department of
(2003) Longitudinal Joint Forming in PCC Pavements, MLR-00-05, Construction Report, 2003. Transportation, Department of
(2003) Asphalt Rubber Cement Concrete Webster County, HR-555, Final Report, 2003. Transportation, Department of
(2003) Development of Bridge Load Testing Process for Load Evaluation, TR-445, 2003. Transportation, Department of
(2003) Evaluation of Appropriate Maintenance, Repair and Rehabilitation Methods for Iowa Bridges, TR-429, 2003. Transportation, Department of
(2003) Portland Cement Concrete Curing Compound Performance Phase I and Phase II, MLR-02-03, 2003. Transportation, Department of
(2003) Aggregates for Thin Maintenance Surfaces, TR-435, 2003. Transportation, Department of
(2003) Asphalt Binders for Thin Maintenance Surfaces, TR-435, 2003. Transportation, Department of
(2002) Evaluation of Recycled Rubber in Asphalt Cement Concrete - Field Testing, Final Report for HR-330, 330A, 330B, 330C, 330D, 2002. Transportation, Department of
(2002) Determination and Evaluation of Alternate Methods for Managing and Controlling Highway-Related Dust, TR-449, 2002. Transportation, Department of
(2002) Evaluation of DuroTrim Vegetation Control Mats, HR-2090, 2002. Transportation, Department of
(2002) Level I & II Aggregate Reference Manual 2001-2002, Technical Training and Certification Program, 2002. Transportation, Department of
(2001) Performance of Poly-Carb, Inc. Flexogrid Bridge Overlay System, MLR-86-04, 2001. Transportation, Department of
(2001) Thin Asphalt Concrete Pavement on Crushed Rock Base, HR-2075, 2001. Transportation, Department of
(2001) Level I & II Aggregate Reference Manual 2001-2002, Technical Training and Certification Program, October 2, 2001. Transportation, Department of
(2001) Superpave Mix Designs for Low Volume Roads, Construction Report, TR-414, 2001. Transportation, Department of
(2001) Plastic Air Content versus Hardened Air Content by High Pressure Air Meter, MLR-99-03, 2001. Transportation, Department of
(2001) Investigation of Glass Fiber Composite Dowel Bars for Highway Pavement Slabs, TR-408, 2001. Transportation, Department of
(2001) Thin Bonded Overlay Evaluation, HR-559, Final Report, 2001. Transportation, Department of
(2001) Field Evaluation of Engineering Fabrics for Asphalt Concrete Resurfacing - Audubon County, HR-360, Final Report, 2001. Transportation, Department of
(2001) Level I Hot Mix Asphalt 2001-2002 Instruction Manual, Technical Training and Certification Program, 2001. Transportation, Department of
(2001) Level II Portland Cement Concrete 2001-2002, Instruction Manual, Technical Training and Certification Program, 2001. Transportation, Department of
(2000) Evaluation of Mini Slump Cone Test, MLR-97-01, 2000. Transportation, Department of
(1999) Embankment Quality Phase II Final Report, TR-401, 1999. Transportation, Department of
(1999) Evaluation of Paver Vibrator Frequency Monitoring and Concrete Consolidation, HR-1068, 1999. Transportation, Department of
(1999) Preformed Phoenix Ethylene Propylene Diene Monomer (EPDM) Compression Joint Seals, MLR-93-02, 1999. Transportation, Department of
(1999) Effect of Waterproofing Admixture Ipanex on Concrete Durability (includes Addendum), MLR-98-2, 1999. Transportation, Department of
(1999) Instrumentation of Paver Vibrators, MLR-95-10, 1999. Transportation, Department of
(1998) Demonstration and Field Evaluation of Alternative Portland Cement Concrete Pavement Reinforcement Materials, Construction Report, HR-1069, 1998. Transportation, Department of
(1998) Image Analysis for Evaluating Air Void Parameters of Concrete, HR-396, 1998. Transportation, Department of
(1998) Aggregate Tests related to Performance of Portland Cement Concrete Pavement, final Report, April 15, 1998. Transportation, Department of
(1998) Evaluation of Maturity and Pulse Velocity Measurements for PCC Traffic Opening Decisions, HR-380, 1998. Transportation, Department of
(1998) Evaluation of Photoacoustic Spectroscopy for Quality Control of Cement, TR-409, 1998. Transportation, Department of
(1998) Retaining Wall - Modular Unit Reinforced Earth Tensar Geogrid Reinforcement, HR-549, 1998. Transportation, Department of
(1997) Correlation of the Roughometer to the High-Speed Laser Profiler, MLR-97-7, 1997. Transportation, Department of
(1997) Investigation of Plastic Pipes for Highway Applications, HR-373A, Phase II, 1997. Transportation, Department of
(1997) Concrete Whiteness for Barrier Rails, MLR-97-04, 1997. Transportation, Department of
(1997) Let Me Shingle Your Roadway, HR-2079, Interim Report, 1997. Transportation, Department of
(1997) A Continuous Span Aluminum Girder Concrete Deck Bridge - Part 2 of 2: Fatigue Tests of Aluminum Girders, Final Report, 1997. Transportation, Department of
(1997) Fast Track Portland Cement Concrete Pavement, HR-538, 1997. Transportation, Department of
(1997) Freeze-Thaw Durability of Concretes with Infilling of Ettringite in Voids, Phase 2, MLR-94-9, 1997. Transportation, Department of
(1997) Pooled Fund Study of Premature Concrete Pavement Deterioration, HR-1063, Final Report, 1997. Transportation, Department of
(1997) Reinforced Slope with Geogrids, HR-548, 1997. Transportation, Department of
(1997) Freeze-Thaw Durability of Concretes with and without Class C Fly Ash, MLR-94-9 Phase I, 1997. Transportation, Department of
(1997) Preliminary Assessment of the Potential Use of Alternative Materials for Concrete Highway Pavement Joints, 1997. Transportation, Department of
(1997) Vibration Study for Consolidation of Portland Cement Concrete, Preprint, MLR-95-4, 1997. Transportation, Department of
(1997) Materials Preparation Center, 1997. Iowa State University
(1996) Level I & II Aggregate Reference Manual 1996-1997, Technical Training and Certification Program, October 31, 1996. Transportation, Department of
(1996) A Continuous Span Aluminum Girder Concrete Deck Bridge - Part 1 of 2: Field Test Performance and Evaluation, 1996. Transportation, Department of
(1996) Investigation of High Density Polyethylene Pipe for Highway Applications, HR-373, Phase 1, 1996. Transportation, Department of
(1996) Structural Analysis of Aggregate Blends Using the SHRP Gyratory Compactor, MLR-95-8, 1996. Transportation, Department of
(1995) Evaluation of Visibeads in Epoxy markings on I-235, HR-554, 1995. Transportation, Department of
(1995) Epoxy and Thermoplastic Pavement Markings on US 30 in Carroll County, HR-545, 1995. Transportation, Department of
(1995) Design Methodology for Corrugated Metal Pipe Tiedowns, HR-362, Phase II, 1995. Transportation, Department of
(1995) Design Methodology for Corrugated Metal Pipe Tiedowns: Phase II by R.A. Lohnes, June 1995. Transportation, Department of
(1995) Strength Development of Concrete Based on Maturity and Pulse Velocity, MLR-95-03, 1995. Transportation, Department of
(1995) Freeze-Thaw Durability Testing of Oversanded Bridge Floor Concrete, MLR-95-5, 1995. Transportation, Department of
(1995) Coarse Aggregate Gradations for P.C. Concrete, MLR-94-8, 1995. Transportation, Department of
(1995) Evaluation of Microcracking and Chemical Deterioration in Concrete Pavements: Phase II, HR-358, Progress Report, 1995. Transportation, Department of
(1995) Investigation of PCC Pavement Deterioration: A Few Facts are Worth More than 100 Opinions, Interim Report, HR-2074, 1995. Transportation, Department of
(1994) Precast Concrete Panel Thickness for Epoxy-Coated Prestressing Strands, Volume 1, HR-353, 1994. Transportation, Department of
(1994) Level I & II Aggregate Reference Manual 1994, Technical Training and Certification Program, November 1994. Transportation, Department of
(1994) Evaluation of Asphalt Stabilizing Additives, HR-542, 1994. Transportation, Department of
(1994) Field Evaluation of Engineering Fabrics for Asphalt Concrete Resurfacing - Audubon County, HR-360, Construction Report, 1994. Transportation, Department of
(1994) Production of Asphalt Rubber Concrete by the Dry Process, HR-1062, 1994. Transportation, Department of
(1994) Precast Concrete Panel Thickness for Epoxy-Coated Prestressing Strands, HR-353, Interim Report, 1994. Transportation, Department of
(1994) Thermogravimetric Analysis of Carbonate Aggregate, HR-336, 1994. Transportation, Department of
(1994) Image Analysis of PCC and AC Pavements Using SEM Images, HR-346, 1994. Transportation, Department of
(1993) Evaluation of Brisco Scour Monitors, HR-551, 1993. Transportation, Department of
(1993) Evaluation of Concrete Patching Mixes and Opening Time Using the Maturity Concept, MLR-93-7, 1993. Transportation, Department of
(1993) Fast Track and Fast Track II Cedar Rapids, Iowa, HR-544, 1993. Transportation, Department of
(1993) Low Permeability of Concrete for Bridge Deck Overlay, MLR-89-1, 1993. Transportation, Department of
(1993) Investigation of Rapid Thermal Analysis Procedures for Prediction of the Service Life of PCCP Carbonate Coarse Aggregate, HR-337, 1993. Transportation, Department of
(1993) Cathodic Protection for a Continuous Box Girder Bridge Deck, HR-553, 1993. Transportation, Department of
(1993) Evaluation of the SHRP Modified Georgia Digital Faultmeter, MLR-93-01, 1993. Transportation, Department of
(1993) Evaluation of the Chemical Durability of Iowa Fly Ash Concretes, HR-327, 1993. Transportation, Department of
(1993) Design Methodology for Corrugated Metal Pipe Tiedowns, HR-332, Phase 1, 1993. Transportation, Department of
(1993) Foamed Asphalt Shoulders City of Muscatine, HR-529, 1993. Transportation, Department of
(1993) Bond Contribution to Whitetopping Performance on Low Volume Roads, Construction Report, HR-341, 1993. Transportation, Department of
(1993) Instruction Text for Aggregate Inspectors and Technicians Training, Office of Materials, Highway Division, January 1993. Transportation, Department of
(1992) Evaluation of Recycled Rubber in Asphalt Concrete - Black Hawk County, HR-330B, Construction Report, 1992. Transportation, Department of
(1992) Galvanized Bridge Deck Reinforcing, HR-504, 1992. Transportation, Department of
(1992) Thermoset Composite Concrete Reinforcement, HR-325, Part 2, 1992. Transportation, Department of
(1992) Progress Report for HR-332, Design Methodology for Corrugated Metal Pipe Tiedowns, September 14, 1992. Transportation, Department of
(1992) Evaluation of Recycled Rubber in Asphalt Concrete - Black Hawk County, HR-330D, 1992. Transportation, Department of
(1992) Engineering Fabric Repair Prior to Resurfacing - Roadglas - US 30, HR-525, 1992. Transportation, Department of
(1992) Evaluation of Recycled Rubber in Asphalt Concrete - Dubuque County, HR-330C, 1992. Transportation, Department of
(1992) Evaluation of Recycled Rubber in Asphalt Concrete - Plymouth County, HR-330A, 1992. Transportation, Department of
(1992) Investigation of Video Crack and Patch Surveying for Pavement Management, MLR-92-01, 1992. Transportation, Department of
(1992) A Study on the Use of Fabric to Retard Reflective Cracking Over Widened Joints, MLR-88-4, 1992. Transportation, Department of
(1992) Investigation of Rapid Thermal Analysis Procedures for Prediction of the Service Life of PCCP Carbonate Coarse Aggregate: Phase I, Progress Report, HR-337, 1992. Transportation, Department of
(1992) Evaluation of the Chemical Durability of Iowa Fly Ash Concretes, HR-327, Phase II Progress Report, 1992. Transportation, Department of
(1992) Vegetation Control for Safety, A Guide for Street and Highway Maintenance Personnel, 1992. Transportation, Department of
(1991) Evaluation of Recycled Rubber in Asphalt Concrete, HR-330, Construction Report, 1991. Transportation, Department of
(1991) Transverse Joint Sealing with Improved Sealers, HR-276, 1991. Transportation, Department of
(1991) Correlation of the Road Rater and the Dynatest Falling Weight Deflectometer, MLR-91-04, 1991. Transportation, Department of
(1991) Low Cost Fly Ash - Sand Stabilized Roadway Des Moines County, HR-259, 1991. Transportation, Department of
(1991) Air Formed Arch Culvert Construction: Crawford County, Construction Reports, HR-314, 1991. Transportation, Department of
(1991) Evaluation of the Chemical Durability of Iowa Fly Ash Concretes, HR-327, Phase I Progress Report, 1991. Transportation, Department of
(1991) Full-Scale 18,000lb Vehicle Crash Test on the Iowa Retrofit Concrete Barrier Rail by Brian G. Pfeifer, February 1991. Transportation, Department of
(1991) Relating Creep Testing to Rutting of Asphalt Concrete Mixes, HR-311, Part 2, 1991. Transportation, Department of
(1990) Crushed Stone Granular Surfacing Materials, HR-2046 and MLR-90-07, 1990. Transportation, Department of
(1990) Dense Concrete Layer as Top Course of Bridge Deck Construction, HR-502, 1990. Transportation, Department of
(1990) Glasgrid Fabric to Control Reflective Cracking, HR-535, 1990. Transportation, Department of
(1990) Thin Bonded Concrete Overlay with Fast Track Concrete, Final Report, HR-531, 1990. Transportation, Department of
(1990) Hydraulic Cement Grout Testing, MLR-89-14, 1990. Transportation, Department of
(1990) Evaluation of Alternative Methods to Obtain Specific Gravity of Coarse Aggregate, MLR-89-7, 1990. Transportation, Department of
(1990) Design, Fabrication, and Operation of the Pavement Crack Monitor Gauge, HR-1054, 1990. Transportation, Department of
(1990) Evaluation of the PAVEDEX Road Survey System in Iowa, HR-547, 1990. Transportation, Department of
(1990) Drying Shrinkage in P.C. Concrete, MLR-89-5, 1990. Transportation, Department of
(1990) The Use of Fly Ash in Highway Construction, HR-1031, 1990. Transportation, Department of
(1990) Development of an Economic Dust Palliative for Limestone Surfaced Secondary Roads, HR-297, 1990. Transportation, Department of
(1990) The Effects of Crushed Particles in Asphalt Mixtures, HR-311 and MLR-88-16, Part 1, 1990. Transportation, Department of
(1990) Evaluation of the Baladi Indirect Tensile Apparatus, MLR-89-08, 1990. Transportation, Department of
(1990) Full-Scale 18,000lb Vehicle Crash Test on the Iowa Retrofit Concrete Barrier Rail by Brian G. Pfeifer, January 1990. Transportation, Department of
(1990) Full-Scale 5,400 lb. Vehicle Crash Test on the Iowa W-Beam approach Guardrail to the Concrete Safety Shape Bridge Rail by Ronald K. Faller, January 1990. Transportation, Department of
(1990) Precast Prestressed Concrete Panel Subdecks in Skewed Bridges, Interim Report, 1990. Transportation, Department of
(1989) Fast Track and Fast Track II - Cedar Rapids, Iowa, HR-544, Construction Report, 1989. Transportation, Department of
(1989) Full-Scale Vehicle Crash Test on the Iowa Steel Temporary Barrier Rail, December 1989. Transportation, Department of
(1989) Soil Tracking Paint Test, MLR-89-13, 1989. Transportation, Department of
(1989) A Fifteen Year Performance Summary of Fibrous PC Concrete Overlay Research in Greene County, Iowa, HR-165, 1989. Transportation, Department of
(1989) Control of Concrete Deterioration Due to Trace Compounds in Deicers, Phase II, HR-299, 1989. Transportation, Department of
(1989) Upgrading of Bridge Approach Guardrail on Primary Roads in Iowa by Walter A. Schwall, June 14, 1989. Transportation, Department of
(1989) Fly Ash Affect on Alkali-Aggregate Reactivity, MLR-88-7, 1989. Transportation, Department of
(1989) Fine Sand for Use in PC Concrete, MLR-88-6, 1989. Transportation, Department of
(1989) Low Cost Techniques of Base Stabilization, HR-312, Construction Report, 1989. Transportation, Department of
(1989) An Investigation of Emulsion Stabilized Limestone Screenings, HR-309, 1989. Transportation, Department of
(1989) Polymerized Asphalt Cement, HR-533, 1989. Transportation, Department of
(1989) Blanket Curing to Promote Early Strength Concrete, MLR-87-7, 1989. Transportation, Department of
(1989) Evaluation of Carbonate Aggregate Using X-Ray Analysis, HR-266, 1989. Transportation, Department of
(1989) Demonstration Project No. 74, Field Management of Asphalt Mixes, Study No. 112 Iowa, Mix Verification and Acceptance Simulations, 1989. Transportation, Department of
(1988) Development of an Economic Dust Palliative for Limestone Surfaced Secondary Roads, HR-297, Progress Report, 1988. Transportation, Department of
(1988) Evaluation of "FIBERMESH" Synthetic Fibers in P.C. Concrete Bridge Barrier Rail, MLR-88-17, 1988. Transportation, Department of
(1988) Evaluation of Type I Cement Fast Track Concrete, MLR-87-6, 1988. Transportation, Department of
(1988) Determination of Asphalt Content and Characteristics of Bituminous Paving Mixtures, MLR-88-11, 1988. Transportation, Department of
(1988) Laboratory Evaluation of Roller-Compacted Concrete, MLR-86-6, 1988. Transportation, Department of
(1988) High Molecular Weight Methacrylate Sealing of a Bridge Deck, HR-2031, 1988. Transportation, Department of
(1988) Gradation Analysis of Cold Feed and Extracted Bituminuous Mix Samples, MLR-88-2, 1988. Transportation, Department of
(1988) Special Cements for Fast Track Concrete, MLR-87-4, 1988. Transportation, Department of
(1988) Production of Acetic Acid for CMA Deicer, HR-304, 1988. Transportation, Department of
(1988) A Study of Fine Sand from Nine Mile Island at Dubuque, MLR-88-08, 1988. Transportation, Department of
(1988) Evaluation of Bond Retainage in Portland Cement Concrete Overlays by Infrared Thermography and Ground Penetrating Radar, HR-537, 1988. Transportation, Department of
(1988) Asphalt Cement Containing AC-13, HR-522, Final Report, 1988. Transportation, Department of
(1988) Correlation of Locally-Based Performance of Asphalts with their Physicochemical Parameters, Task 1 Report, HR-298, 1988. Transportation, Department of
(1988) Investigation Phase Report for Value Engineering Study Repair of Transverse Cracking in Asphalt Pavement by Will Zitterich, 1988. Transportation, Department of
(1987) Pile Design and Tests for Integral Abutment Bridges, HR-273, Addendum, 1987. Transportation, Department of
(1987) Development of a Rational Characterization Method for Iowa Fly Ash, HR-286, Annual Progress Report 2, 1987. Transportation, Department of
(1987) Early Strengths of Class F, C, and B Portland Cement Concrete, MLR-87-07, 1987. Transportation, Department of
(1987) Determination of Tension Crack Development in Plastic P.C. Concrete with Retarding Admixtures, MLR-86-12, 1987. Transportation, Department of
(1987) Evaluation of Rapid Determination of the Chloride Permeability of Portland Cement Concrete by AASHTO T277-83, MLR-86-11, 1987. Transportation, Department of
(1987) Special Surface Preparation Prior to Bituminous Overlays, HR-231, 1987. Transportation, Department of
(1987) Frictional Properties of Asphalt Concrete Pavements in Iowa, MLR-87-5, 1987. Transportation, Department of
(1987) Evaluation of the Consolid System of Soil Stabilization, MLR-86-10, 1987. Transportation, Department of
(1987) Ammonium Phosphate/Fly Ash Road Base Construction, HR-294, Construction Report, 1987. Transportation, Department of
(1987) Calibration and Reliability of a Nuclear Asphalt Content Gauge, MLR-87-02, 1987. Transportation, Department of
(1987) Effect of Anti-Strip Agents on Temperature Susceptibility of Asphalt Cements, MLR-87-01, 1987. Transportation, Department of
(1987) Evaluation of Calcium Magnesium Acetate Deicer in Scott County, HR-253, Progress Report, 1987. Transportation, Department of
(1987) Iowa DOT Evaluation of the PASCO Road Survey System, HR-539, 1987. Transportation, Department of
(1987) Length Change of P. C. Concrete Due to Moisture Content, MLR-85-09, 1987. Transportation, Department of
(1987) The Relationship of Ferroan Dolomite Aggregate to Rapid Concrete Deterioration, HR-266, 1987. Transportation, Department of
(1986) Sprinkle Treatments for Asphalt Concrete, HR-507, 1986. Transportation, Department of
(1986) Development of a Rational Characterization Method for Iowa Fly Ash, HR-286, Annual Progress Report 1, 1986. Transportation, Department of
(1986) Field Evaluation of Bonded Concrete Overlays, HR-288, 1986. Transportation, Department of
(1986) The Use of Fly Ash in Highway Construction, HR-1031, Progress Report, 1986. Transportation, Department of
(1986) Effect of Delay in Testing Asphalt Concrete Specimens for Marshall Stability, MLR-86-08, Draft, 1986. Transportation, Department of
(1986) An Evaluation of the Troxler 3241-B Nuclear Asphalt Gauge, MLR-85-11, 1986. Transportation, Department of
(1986) Effect of Compaction on the Aggregate Fracturing of Asphalt Concrete, MLR-86-07, 1986. Transportation, Department of
(1986) Effects of Special Aggregate on Bridge Deck Overlay Frictional Properties, HR-205, 1986. Transportation, Department of
(1986) Evaluation of Asphalt Mixes Made from Reclaimed Concrete Aggregates, MLR-85-07, 1986. Transportation, Department of
(1986) Low Cost Fly Ash - Sand Stabilization Roadway, Construction Report, HR-259, 1986. Transportation, Department of
(1985) Evaluation of Fly Ash in Bridge Deck Concrete, MLR-84-2, 1985. Transportation, Department of
(1985) Asphalt Cement Containing AC-13, HR-522, Construction Report, 1985. Transportation, Department of
(1985) Evaluation of Additives for Extruded Asphalt Curbs, MLR-85-06, 1985. Transportation, Department of
(1985) Incentive-Disincentive Clause, HR-521, 1985. Transportation, Department of
(1985) The Effect of Deicing Salt on Aggregate Durability, Progress Report HR-266, 1985. Transportation, Department of
(1985) Establishing Load Transfer in Existing Jointed Concrete Pavements, HR-1041, 1985. Transportation, Department of
(1984) Synthetic Fabric to Improve Structural Capacity in Asphalt Overlays, HR-516, 1984. Transportation, Department of
(1984) Evaluation of a Mobile Rut Depth Device for the Pavement Management Program, HR-248, 1984. Transportation, Department of
(1984) Experimental Use of Calcium Magnesium Acetate, Addendum, HR-253, 1984. Transportation, Department of
(1984) Strength-Temperature Study of Fly Ash Concrete, MLR-84-6, 1984. Transportation, Department of
(1984) Investigation of the Effect of Reheating Asphalts on the Test Results, MLR-84-09, 1984. Transportation, Department of
(1984) A Ten Year Performance Summary of Fibrous PC Concrete Overlay Research in Greene County, Iowa, HR-165, 1984. Transportation, Department of
(1984) An Evaluation of the Second Generation Consolidation Monitoring Device, HR-1013, 1984. Transportation, Department of
(1984) The Relationship of Aggregate Durability to Trace Element Content, Interim Report, HR-266, 1984. Transportation, Department of
(1984) Sprinkle Treatment of Asphalt Surfaces, HR-199, 1984. Transportation, Department of
(1983) Transverse Joint Sealing with Various Sealants, HR-203, 1983. Transportation, Department of
(1983) Use of Reagent Grade Versus Industrial Grade Trichlorethylene in Asphalt Recoveries, MLR-83-05, 1983. Transportation, Department of
(1983) Experimental Use of Calcium Magnesium Acetate, HR-253, 1983. Transportation, Department of
(1983) Performance of Reinforcement Fabric Used Under Asphaltic Concrete Overlays, MLR-83-03, 1983. Transportation, Department of
(1983) 1982 Pavement Smoothness Measurements, May 1983. Transportation, Department of
(1983) Evaluation of the Concrete Admixture Gla-Zit, MLR-81-5, 1983. Transportation, Department of
(1983) Factors Relating to Aggregate Durability in Portland Cement Concrete, HR-2022, Interim Report, 1983. Transportation, Department of
(1983) Alternative Flexible Overlays, HR-229, Construction Report, 1983. Transportation, Department of
(1983) Floyd County, HR-1026, 1983. Transportation, Department of
(1982) Performance of Randomly Oriented, Fiber-Reinforced Roadway Soils, HR-211, 1982. Transportation, Department of
(1982) Nonlinear Finite Element Study of Piles in Integral Abutment Bridges, HR-227, Part 2, 1982. Transportation, Department of
(1982) Effect of Oven Heating Time of Asphaltic Concrete on Marshall Stability, MLR-82-02, 1982. Transportation, Department of
(1982) Epoxy Thermoplastic Traffic Marking Material, HR-1033, 1982. Transportation, Department of
(1982) Iowa's Experience with Sprinkle Treatment of Asphalt Pavements, Progress Report for Project HR-199, July 1982. Transportation, Department of
(1982) Sieve Analysis of Combined Aggregate Samples by Different Test Methods, MLR-84-05, 1982. Transportation, Department of
(1982) Transverse Cracking of Asphalt Pavements, HR-1040, Summary Report, 1982. Transportation, Department of
(1982) Effect of Density on Marshall Stability of Hot-Mix Asphaltic Concrete, MLR-82-01, 1982. Transportation, Department of
(1982) 1981 Pavement Smoothness Measurements, February 1982. Transportation, Department of
(1981) Performance of Various Thicknesses of Portland Cement Concrete, HR-9, 30 Year Report, 1981. Transportation, Department of
(1981) Mission-Oriented Dust Control and Surface Improvement Processes for Unpaved Roads, HR-194, 1981. Transportation, Department of
(1981) Mission-Oriented Dust Control and Surface Improvement processes for Unpaved Roads, Final report, May 1981. Transportation, Department of
(1981) Field Evaluation of Electro-Reflective Measuring Apparatus (ERMA), MLR-81-01, 1981. Transportation, Department of
(1981) Report on Fly Ash Variability, MLR-81-2, 1981. Transportation, Department of
(1981) Report on Fly Ash as a Soil Additive, MLR-81-03, 1981. Transportation, Department of
(1981) A Review of the Frictional Classification of Iowa Aggregates, MLR-81-04, 1981. Transportation, Department of
(1981) Improvement of Longitudinal Joints in Asphalt Pavement, HR-215, Construction Report, 1981. Transportation, Department of
(1981) Reducing the Adverse Effects of Transverse Cracking, Construction Report, HR-217, 1981. Transportation, Department of
(1981) Transverse Cracking Study of Asphalt Pavement, HR-1020, 1981. Transportation, Department of
(1981) Evaluation of Changes in Productivity Resulting from Removal of Soil for Highway Construction, HR-186, 1981. Transportation, Department of
(1980) Field Performance and Evaluation of Slurry Seals, HR-195, 1980. Transportation, Department of
(1980) Reinforced Earth and Stone Columns for Weak Subsoil Conditions, HR-510, 1980. Transportation, Department of
(1980) Special Report on Alkali-Aggregate Reactivity in Iowa, MLR-80-03, 1980. Transportation, Department of
(1980) Treating Iowa's Marginal Aggregates and Soils by Foamix Process, HR-212, 1980. Transportation, Department of
(1980) Evaluation of Fly Ash in Portland Cement Concrete Paving in Woodbury County, Iowa, Final Report, HR-201, 1980. Transportation, Department of
(1980) 1980 Pavement Smoothness Measurements, February 1980. Transportation, Department of
(1980) 1982 Pavement Smoothness Measurements, February 1980. Transportation, Department of
(1980) Survey of D.O.T.'s Traffic Paint Costs in 1979, HR-515, 1980. Transportation, Department of
(1980) Evaluation of Fly Ash in Portland Cement Concrete Pavement in Monona County, Iowa, HR-200, 1980. Transportation, Department of
(1980) Asphalt Emulsions for Highway Construction (Emulsion Seal Coat), HR-1028, 1980. Transportation, Department of
(1980) Pavement Surface on Macadam Base, Adair County, HR-209, Construction Report, 1980. Transportation, Department of
(1980) Preview of Iowa Asphalt Treated Base Construction by Richard P. Henely, 1980. Transportation, Department of
(1979) Penetration Characteristics of Asphalt in a Recycled Mixture, MLR-79-03, 1979. Transportation, Department of
(1979) Asphalt Stabilization (Asphadur)/Reduction of Reflection Cracks (Monsanto Bidim Synthetic Fabric), HR-511, 1979. Transportation, Department of
(1979) Transverse Joint Sealing with Various Sealants, Progress Report, HR-203, 1979. Transportation, Department of
(1979) Field Evaluation of Pavement Marking Materials, MLR-79-02, 1979. Transportation, Department of
(1979) Evaluation of Fly Ash in Portland Cement Concrete Paving in Woodbury County, Iowa, HR-201, Construction Report, 1979. Transportation, Department of
(1979) Evaluation of Cover Aggregate Stripping Characteristics, HR-182, 1979. Transportation, Department of
(1979) General Aggregate Source Information, 1979. Transportation, Department of
(1979) Office of Materials prepared by Office of Materials, Iowa Department of Transportation, 1979. Transportation, Department of
(1978) Construction of a Bridge Floor Using High Range Water Reducer, Construction Report, HR-192, 1978. Transportation, Department of
(1978) The Economic Potential of the Spergen Formation in Seven Southeastern Iowa Counties, HR-189, 1978. Transportation, Department of
(1978) Evaluation of Fly Ash in Portland Cement Concrete Pavement in Monona County, Iowa, Construction Report, HR-200, 1978. Transportation, Department of
(1978) Recycling of Asphalt Concrete From I-80 in Cass County, HR-1011, 1978. Transportation, Department of
(1978) Evaluation of an Epoxy Pavement Marking System, HR-180, 1978. Transportation, Department of
(1978) A Study of the Frictional Properties of New Asphaltic Concrete Pavements in Iowa, MLR-78-03, 1978. Transportation, Department of
(1978) Sprinkle Treatment of Asphalt Pavements, MLR-78-01, 1978. Transportation, Department of
(1978) General Aggregate Source Information, January 1978. Transportation, Department of
(1978) Laboratory Study of Slurry Seal Coats, HR-185, Revised, 1978. Transportation, Department of
(1977) Evaluation of Dense Bridge Floor Concrete using Superplasticizer, HR-192, 1977. Transportation, Department of
(1977) Dust Control Using an Asphalt Emulsion, HR-196, 1977. Transportation, Department of
(1977) Experimental Macadam Stone Base Des Moines County, HR-175, Construction Report, 1977. Transportation, Department of
(1977) Bonded, Thin-Lift, Non-Reinforced Portland Cement Concrete Resurfacing, MLR-77-2, 1977. Transportation, Department of
(1977) Prevention of Reflection Cracking in Asphalt Overlays with Structofors, Petromate, and Cerex, HR-158, 1977. Transportation, Department of
(1977) Chloride Penetration Into LSDC (Iowa System) Resurfacing Mixes, MLR-77-05 and R-267, 1977. Transportation, Department of
(1977) Low Profile Marker for Wet/Night Visibility, HR-1005, 1977. Transportation, Department of
(1977) An Evaluation of Cover Aggregate Stripping Characteristics, Progress Report, HR-182, 1977. Transportation, Department of
(1977) Portland Cement Concrete Utilizing Recycled Pavement, MLR-77-3, 1977. Transportation, Department of
(1977) Recycling Portland Cement Concrete and Asphaltic Concrete by George Calvert, 1977. Transportation, Department of
(1977) Iowa D.O.T's Experience with Recycling Portland Cement Pavement and Asphalt Cement Pavement, MLR-77-4, 1977. Transportation, Department of
(1977) Sprinkle Treatment (Bristowes Spreader), HR-512. Transportation, Department of
(1976) Fibrous Concrete Resurfacing Greene County, Iowa, HR-165, 1976. Transportation, Department of
(1976) Maintenance of Pavement Skid Resistance (Open Graded Asphalt Friction Courses), Progress Report, HR-170, 1976. Transportation, Department of
(1976) A Laboratory Investigation of An Accelerated Polishing Method for Determining the Skid Resistance Potential of Aggregates, MLR-76-02 and R-264, 1976. Transportation, Department of
(1975) Evaluation of Chemically Stabilized Secondary Roads, Linn County, Iowa, December, 1975. Iowa State University
(1975) Evaluation of Crushed Limestone Rock as a Mulch Material, HR-171, 1975. Transportation, Department of
(1975) Recycled Asphalt Pavements - Kossuth County Iowa, HR-176, 1975. Transportation, Department of
(1975) Durability of Concrete as Affected by Variations in Air and W/C Ratio, R-258, 1975. Transportation, Department of
(1975) Corrosion of Steel in CRCP, HR-1004, 1975. Transportation, Department of
(1974) Bridge Deck Waterproofing Membrane Study;MLR-74-01, R-262, 1974. Transportation, Department of
(1974) Considerations of Airport and Secondary Road Abandonment by Eugene Wilson Prepared for Dept. of Transportation, July 1974. Transportation, Department of
(1974) Evaluation of Chemically Stabilized Secondary Roads, May 1974. Iowa State University
(1974) Construction Progress Report No. 7: Five-in-One Bridge and Dam Structure in Cedar Rapids of Linn County, Iowa, March 8, 1974. Transportation, Department of
(1973) Methods to Increase Durability of Reactive ("D" Cracking) Coarse Aggregate in Portland Cement Concrete, MLR-73-01, 1973. Transportation, Department of
(1973) An Investigation of Portland Cement Concrete Utilizing 70% Class V Aggregate and 30% Calcareous Coarse Aggregate, R-255, 1973. Transportation, Department of
(1973) Surface Improvement and Dust Palliation of Unpaved Secondary Roads and Streets, HR-151, 1973. Transportation, Department of
(1973) Evaluation of Gap-Graded Asphalt Concrete Mixtures Part II: Statistical Design and Analysis, HR-157, 1973. Transportation, Department of
(1972) Evaluation of Gap-Graded Asphalt Concrete Mixtures Vol. 3. Appendix, HR-157, Volume 3 (Part 3), 1972 (1973). Transportation, Department of
(1972) Evaluation of Gap-Graded Asphalt Concrete Mixtures, Vol. 1. Physical Properties (Part I: Mechanical Properties), HR-157, Volume 1, 1972 (1973). Transportation, Department of
(1972) Comparison Between Leaded and Nonleaded Gasoline as Used in Iowa State Highway Commission Vehicles, HR-1002, 1972. Transportation, Department of
(1972) Special Project Report: Production & Placement of Bituminous Treated Aggregate Base and Type B Asphalt Concrete Produced by a Drum Mixing Process prepared by Bernard H. Ortgies, July 1972. Transportation, Department of
(1971) Absorptive Aggregates in Asphalt Paving Mixtures, HR-142, 1971. Transportation, Department of
(1971) Consolidation of Loess, 1971. Transportation, Department of
(1971) An Investigation of the Chemical Method of Determining the Cement Content of Hardened Concrete, MLR-71-01 and R-248, 1971. Transportation, Department of
(1970) A Study of Portland Cement Maintenance Mix and Set Accelerators, R-249, 1970. Transportation, Department of
(1970) Abrasion of Aggregates as Affected by Grading, 1970. Transportation, Department of
(1970) Behavior of Granular Materials Under Triaxial Compression with Pulsating Deviator Stress, HR-131, Special Report, August 1, 1970. Transportation, Department of
(1970) Granular Base Materials for Flexible Pavements, HR-131, 1970. Transportation, Department of
(1970) Loss of Prestress, Camber, and Deflection of Non-Composite and Composite Structures Using Different Weight Concretes, HR-137, 1970. Transportation, Department of
(1970) Loss of Prestress and Camber of Non-Composite and Composite Prestressed Concrete Structures, June 1970. University of Iowa
(1970) Absorption of Asphalt by Aggregate, HR-142, Progress Report, 1970. Transportation, Department of
(1970) Final Report Research Project HR-155 by M. J. Mausbach and W. D. Shrader, 1970. Transportation, Department of
(1970) Lime or Chloride Treatment of Granular Base Course Materials, HR-99, 1970. Transportation, Department of
(1970) Soil Erosion Control for Secondary Roads, HR-155, 1970. Transportation, Department of
(1969) Development of a Durability Test for Asphalts, HR-124, Progress Report No. 3., 1969. Transportation, Department of
(1969) Effects of Aggregates upon Asphalt Extraction Tests,September 17, 1969. Transportation, Department of
(1969) Durability and Durability Tests for Paving Asphalt: A State-of-the-Art Report, HR-124, 1969. Transportation, Department of
(1969) A Study of Curing Methods and Type II Cements on the Durability of Concrete, R-11-Z(1), 1969. Transportation, Department of
(1969) Time-Dependent Deformation of Non-Composite and Composite Sand-Lightweight Prestressed Concrete Structures, Phase 1, HR-137, 1969. Transportation, Department of
(1969) X-Ray Diffraction of Highway Materials, HR-128, 1969. Transportation, Department of
(1969) A History of Particle-Size Limits, Special Report, HR-99, 1969. Transportation, Department of
(1969) Inspector's Handbook: Subbase Construction, 1969. Transportation, Department of
(1969) Pipe Culverts, Inspection Handbook by by E.J. Shaffer, 1969. Transportation, Department of
(1968) Creep and Shrinkage Properties of Lightweight Concrete Used in the State of Iowa, HR-136, Phase I, 1968. Transportation, Department of
(1968) Evaluation Study of Pit Run Gravel Asphalt Treated Base Mixtures with Various Percentages of Crushed Limestone, R-217, 1968. Transportation, Department of
(1968) Study of Type 'A' Asphaltic Concrete Surface Mix Design, R-232, 1968. Transportation, Department of
(1968) Evaluation of Cohesion and Swell Characteristics of Asphalt Treated Base Mixtures, R-223, 1968. Transportation, Department of
(1968) Study of Alternate Pavement Designs, 1968. Transportation, Department of
(1968) Field Testing of Asphaltic Concrete Mixes, HR-101 and R-183, 1968. Transportation, Department of
(1968) Evaluation of Limestone Filler in Gravel Mixtures "Asphaltic Concrete", R-228, 1968. Transportation, Department of
(1968) Seismic Wave Velocity as a Means of In-Place Density Measurement, HR-114, Final Report, Part 2 of 2, 1968. Transportation, Department of
(1968) Seismic Wave Velocity as a Means of In-Place Density Measurement, Part 1, HR-114, 1968. Transportation, Department of
(1968) Stability of Granular Base Course Materials Containing Bituminous Admixtures, 1969. Transportation, Department of
(1967) Preliminary Report on the Installation of Stainless Steel Culvert Pipe in Mahaska County, Iowa, HR-2001, 1967. Transportation, Department of
(1967) Shear Strength of Granular Materials, 1967. Transportation, Department of
(1967) Development of a Laboratory Durability Test for Asphalts, HR-124, 1967. Transportation, Department of
(1967) Relationship of Carbonate Aggregates to Concrete Aging, HR-116, 1967. Transportation, Department of
(1967) Compositional and Mechanical Properties of Carbonate Rocks, HR-110, 1967. Transportation, Department of
(1967) Evaluation of Stainless Steel Culvert Pipe in Mahaska County, Iowa, HR-2001. Transportation, Department of
(1966) On the Aaxially-Symmetric Deformation of a Hollow Circular Cylinder of Finite Length Under the Action of Axially-Symmetric Loading, September 7, 1966. Iowa State University
(1966) Investigation of the Lane-Wells Road Logger, HR-113, 1966. Transportation, Department of
(1966) Chemical Stabilization and Physicochemical Properties of Soils, HR-97, Special Report, 1966. Transportation, Department of
(1966) Chemical Stabilization and Physicochemical Properties of Soils, HR-97, Final Report, 1966. Transportation, Department of
(1966) Effect of CA-Montmorillonite Expansion on X-Ray Diffraction Intensities, Progress Report, HR-111, 1966. Transportation, Department of
(1966) Evaluation of Carbide Waste Lime for Soil Stabilization, Progress Report, HR-111. Transportation, Department of
(1966) Stability of Granular Base Course Materials containing Bituminous Admixtures by John Charles Whisler, 1966. Transportation, Department of
(1966) Stability of Granular Base Course Mixes compacted to Modified Proctor Density by Thomas William Best, 1966. Transportation, Department of
(1966) Void Ratio and Shear Strength of Two Compacted Crushed Stones, Progress Report, HR-99. Transportation, Department of
(1965) Subgrade Insulation to Prevent Soil Freezing, HR-87, 1965. Transportation, Department of
(1965) Time-Temperature Strength-Reaction Product Relationships in Lime-Bentonite-Water Mixtures, HR-111, 1965. Transportation, Department of
(1965) Problems of Bridge Supporting and Expansion Devices and an Experimental Comparison of the Dynamic Behavior of Rigid and Elastomeric Bearings, HR-105, 1965. Transportation, Department of
(1965) A Study to Correlate Soil Consistency Limits with Soil Moisture Tensions, HR-27, 1965. Transportation, Department of
(1965) National Accelerator Laboratory prepared for Atomic Energy Commission, July 1965. Transportation, Department of
(1965) Behavior of Asphalts in the Production of Asphaltic Concrete, HR-107, 1965. Transportation, Department of
(1965) Compositional and Mechanical Properties of Carbonate Rocks, Progress Report, HR-110, 1965. Transportation, Department of
(1965) Factors Influencing Stability of Granular Base Course Mixes, Progress Report, HR-99, 1965. Transportation, Department of
(1964) Factors Influencing Stability of Granular Base Course Mixes, Progress Report, HR-99, 1964 (November). Transportation, Department of
(1964) Modification of Ca-Montmorillonite by Low-Temperature Heat Treatment, HR-106, 1964. Transportation, Department of
(1964) Subgrade Insulation to Prevent Soil Freezing, August 1964. Transportation, Department of
(1964) Clay Mineralogy of a Gumbotil, HR-106, 1964. Transportation, Department of
(1964) Comparison of Various Commercial Hydrated Limes for Reducing Soil Plasticity, HR-82 and HR-106, 1964. Transportation, Department of
(1964) Factors Influencing Stability of Granular Base Course Mixes, Progress Report, HR-99, 1964 (April). Transportation, Department of
(1963) Live Load Deflections in a Prestressed Steel Beam Bridge, HR-74, 1963. Transportation, Department of
(1963) Central Stores Inventory: Employing the IBM 1410 Magnetic Tape Computer System. Transportation, Department of
(1963) Characteristics of Chemical Treated Roadway Surfaces, HR-33, 1963. Transportation, Department of
(1963) Index Maps of Portland Cement Concrete Pavements and Coarse Aggregates used prepared by the Materials Department, 1963. Transportation, Department of
(1962) Behavior of Carbonate Rocks as Concrete Aggregates, HR-15, 1962. Transportation, Department of
(1962) The Flexural Fatigue Strength of Prestressed Steel I-Beams, HR-73, 1962. Transportation, Department of
(1962) Oils and Tars from Iowa Shales, HR-32, 1962. Transportation, Department of
(1962) Studies on Soil-Aggregate-Sodium Chloride Stabilized Roads in Franklin County, Iowa, HR-33, 1962. Transportation, Department of
(1961) Evaluation of Lime as an Additive to Soil-Asphalt Stabilization, HR-1, Progress Report, 1961. Transportation, Department of
(1961) Properties of Carbonate Rocks in Iowa by Leo A. Thomas and Donald L. Biggs, June 30, 1961. Transportation, Department of
(1961) Pinpointing Suspect Triplicate Unconfined Compressive Strength Values in a Series of Soil-Additive Strength Determinations, HR-1, Progress Report, 1961. Transportation, Department of
(1961) Soil Stabilization with Cement, Iowa Highway Research Board Bulletin No. 23, 1961. Transportation, Department of
(1961) Soil Stabilization with Lime Fly Ash, Iowa Highway Research Board Bulletin No. 26, 1961. Transportation, Department of
(1961) Soil Stabilization with Lime, Iowa Highway Research Board Bulletin No. 25, 1961. Transportation, Department of
(1960) Geologic and Engineering Properties of Pleistocene Materials in Iowa, Iowa Highway Research Board Bulletin No. 20, 1960. Transportation, Department of
(1960) Methods for Testing Engineering Soils, Iowa Highway Research Board Bulletin no. 21, 1960. Transportation, Department of
(1960) Soil Stabilization With Chemicals, Iowa Highway Research Board Bulletin No. 22, 1960. Transportation, Department of
(1960) Bituminous Mixes Prepared with Foamed Asphalt, Iowa Highway Research Board Bulletin No. 18, 1960. Transportation, Department of
(1960) Bituminous Mixes Prepared with Ungraded Local Aggregates, Iowa Highway Research Board Bulletin No. 19, 1960. Transportation, Department of
(1960) Chemical Reactions Involving Aggregates, HR-15, 1960. Transportation, Department of
(1960) Missouri River Studies: Alluvial Morphology and Engineering Soil Classification, HR-1, Progress Report, 1960. Transportation, Department of
(1960) Soil Cement Roads in Iowa by A. F. Faul, 1960. Transportation, Department of
(1956) Thin Bonded Concrete Resurfacing U.S. 34 West Burlington, Iowa, HR-34,. Transportation, Department of
(1954) A Progress Report on Treating Loess, Fine Sands and Soft Limestones with Liquid Binders, HR-20, 1954. Transportation, Department of
(1945) Rock Island Centennial Bridge, Final Report on Construction of the Mississippi River Bridge Between Rock Island, Illinois and Davenport, Iowa, 1945. Transportation, Department of
(1908) Highway Engineering, August 1908. Transportation, Department of
FY 2021 Research At-A-Glance. Transportation, Department of
Iowa DOT Research Solutions Iowa Pavement Analysis Techniques. Transportation, Department of
Quantitative X-Ray Diffraction Measurements by Fast Scanning, HR-111. Transportation, Department of
(1988) Transportation in Iowa: A Historical Summary, 1988. Transportation, Department of
