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(2024) Research In Progress Brief: Assessing Road Risks to Protected Wildlife to Guide Iowa DOT’s Mitigation Efforts, 2024. Transportation, Department of
(2024) Research Solutions Brief: Tapping into the Collective Knowledge of Low-volume Roads, 2024. Transportation, Department of
(2024) Use of Iowa Eggshell Waste as Bio-Cement Materials in Pavement and Gravel Road Geo-Material Stabilization, TR-810, 2024. Transportation, Department of
(2024) Real User Friction for Winter Maintenance Operation and Evaluation, TPF-5(435), 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) Assessing the Flood Reduction Benefits of On-Road Structures, TR-792, 2024. Transportation, Department of
(2024) Integration of Connected Vehicle and RWIS Technologies, TPF-5(435), 2024. Transportation, Department of
(2024) Iowa DOT Riverine Infrastructure Data Base (RIDB) for Rapid Assessment of Vulnerable Infrastructure, 21-SPR0-004, 2024. Transportation, Department of
(2024) Research Solutions Brief: Validating Floodplain Maps and Improving Flood Warnings at Iowa’s Bridges, SPR-RE22(016)-8H-00. Transportation, Department of
(2024) Development of an Implementation Plan for Sustainable Transportation Infrastructure Systems in Iowa, 21-SPR1-006, 2024. Transportation, Department of
(2024) Roadway Ice and Snow Detection using a Novel Infrared Thermography Technology, TPF-5(435), 2024. 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 - An Intelligent Human-Centric Communication System for Adverse Weather and Road Conditions - TPF-5(435). Transportation, Department of
(2023) Research in Progress - Crowdsourcing road friction data to support witner operations - TPF-5(435). Transportation, Department of
(2023) Research in Progress - Leveraging connected vehicle technology for use in road weather management - TPF-5(535). Transportation, Department of
(2023) Research in Progress - Standardizing communication on road conditions to improve safety - TPF-5(435). Transportation, Department of
(2023) Research Solutions - Improving roadway friction measurement methods to keep winter roads clear - TPF-5(435). Transportation, Department of
(2023) Transportation Research Circular E-C283: 13th International Conference on Low-Volume Roads, TPF-5(495). Transportation, Department of
(2023) Evaluating Alternative Fuels in Snowplow/Maintenance Vehicles and Identified Barriers to Adoption - SPR-RE22(017)-8H-00. Transportation, Department of
(2023) National Road Research Alliance - Phase II - TPF-5(466). Transportation, Department of
(2023) Automated Extraction of Weather Variables from Imagery - TPF-5(435). Transportation, Department of
(2022) Exploration and Evaluation of High-Resolution Imagery for Environmental Assessment and Wetland Classification Tool, 17-SPR2-002, 2022. Transportation, Department of
(2022) Evaluation of Non-regulated Portable Moisture Density Gauge Report 19-SPR0-007. Transportation, Department of
(2021) Economic Impacts of Atmospheric Rivers in the Transportation Sector: Methodology and Case Studies_TPF-5(290). Transportation, Department of
(2021) Asset Management, Extreme Weather, and Proxy Indicators - TR741. Transportation, Department of
(2021) Bank Stability Assessment Tool for Bridge and Abutment Infrastructure in Iowa - RB10-014. Transportation, Department of
(2020) Demonstration and Inter-Comparison of Seasonal Weight Restriction Models – Phase II - TPF-5(290). Transportation, Department of
(2020) Assessing and Enhancing Transportation Resilience for the State of Iowa - 17-SPR0-013. Transportation, Department of
(2020) Reducing Uncertainties in Snow Fence Design: Development of Methods for Estimation of Snow Drifting and the Snow Relocation Coefficient - TR760. Transportation, Department of
(2020) Field Monitoring of Erosion and Sediment Control Practices and Development of Additional Iowa DOT Design Manual Guidance 18-SPR1-001. Transportation, Department of
(2019) Iowa's Adopt-A-Highway, August 21, 2019. Transportation, Department of
(2015) Statistical Summaries of Selected Iowa Streamflow Data Through September 2013, TR-669. Transportation, Department of
(2015) U.S. 61 From Memorial Park Road in Burlington North to 1 Mile North of IA 78 in Louisa County. Des Moines & Louisa County, Iowa NHS-061-2(50) - 19-58, 2015. Transportation, Department of
(2015) East 1 St Street Interchange and I-35 Widening, From MP 94.3 to Oralabor Road, Polk County, Iowa, Project # IM-035-4(140)92--13-77, Environmental Assessment and Section 4(f) De Minimis Impact Finding, 2015. Transportation, Department of
(2015) Mississippi Drive (Iowa 92) from Main Street to the Norbert F. Beckey Bridge in Muscatine, Iowa, STP-U-5330(614)—27-70, Muscatine County, 2015. Transportation, Department of
(2015) Iowa 58 Viking Road Corridor from U.S. 20 to Greenhill Road in Cedar Falls, Iowa, NHSX-U-58-1(91)--8S-07, 2015. Transportation, Department of
(2015) West 1 St Street/ IA 57 from Highland Drive to Center Street/Franklin Street, Blackhawk County, Iowa, Project # STP-57-2(28)--2C-07, Environmental Assessment and Section 4(f) De Minimis Impact Finding, 2015. Transportation, Department of
(2015) Establishing Strategies for a Transportation MS4 [Municipal Separate Storm Sewer System], RB36-013, 2015. Transportation, Department of
(2015) Iowa’s Bridge and Highway Climate Change and Extreme Weather Vulnerability Assessment Pilot, HEPN-707, 2015. Transportation, Department of
(2015) Comparisons of Estimates of Annual Exceedance-Probability Discharges for Small Drainage Basins in Iowa, Based on Data through Water Year 2013, TR-678, 2015. Transportation, Department of
(2014) Practical Data Collection: Establishing Methods and Procedures for Measuring Water Clarity and Turbidity of Storm Water Run-Off from Active Major Highway Construction Sites, 2014. Transportation, Department of
(2014) Multi-Purpose ESS/ITS Data Collection Sites, SPR72-00-0003-042, 2014. Transportation, Department of
(2013) Iowa Living Roadways:Plant Profiler, August 21,2013. Natural Resources, Department of
(2013) Wind Loads on Dynamic Message Cabinets and Behavior of Supporting Trusses, TR-612, 2013. Transportation, Department of
(2013) Iowa Interstate Corridor Plan, 2013. Transportation, Department of
(2013) Methods for Estimating Annual Exceedance-Probability Discharges for Streams in Iowa, Based on Data through Water Year 2010, TR-519, 2013. 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) Do fire and seed additions alter strong seed timing and priority effects on prairie establishment?, 2011. Transportation, Department of
(2011) A Feasibility Study on Embedded Micro-Electromechanical Sensors and Systems (MEMS) for Monitoring Highway Structures, TR-575, 2011. Transportation, Department of
(2010) Identification of Practices, Design, Construction, and Repair Using Trenchless Technology, TR-570, 2010. Transportation, Department of
(2010) Optimization and Management of Materials in Earthwork Construction, TR-501, 2010. Transportation, Department of
(2009) Evaluation of Design Flood Frequency Methods for Iowa Streams, TR-533, 2009. Transportation, Department of
(2009) Performance Measurement for Highway Winter Maintenance Operations, TR-491, 2009. Transportation, Department of
(2009) Field Testing of Abrasive Delivery Systems in Winter Maintenance, TR-458, 2009. Transportation, Department of
(2009) Investigation of Materials for the Reduction and Prevention of Corrosion on Highway Maintenance Equipment, TR-472, 2009. Transportation, Department of
(2008) Case Study of Seasonal Variation in the Subgrade and Subbase Layers of Highway US 20, TR-516, 2008. Transportation, Department of
(2008) The Deleterious Chemical Effects of Concentrated Deicing Solutions on Portland Cement Concrete, Literature Review, TR-480, 2008. Transportation, Department of
(2008) The Deleterious Chemical Effects of Concentrated Deicing Solutions on Portland Cement Concrete, TR-480, 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) The Deleterious Chemical Effects of Concentrated Deicing Solutions on Portland Cement Concrete, Technical Appendices, TR-480, 2008. Transportation, Department of
(2008) Economics of Using Calcium Chloride vs. Sodium Chloride for Deicing/Anti-Icing, TR-488, 2008. Transportation, Department of
(2007) Improved Methods for Determining Wind Loads on Highway Sign and Traffic-Signal Structures, TR-559, 2007. Transportation, Department of
(2007) The Adoption of Technologies, Policies, and Systems for Improving Fleet Fuel Performance, 2007. Transportation, Department of
(2007) Evaluation of Deicing Materials and Corrosion Reducing Treatments for Deicing Salts, TR-471, 2007. Transportation, Department of
(2005) Iowa Drainage Law Manual, TR-497, 2005. Transportation, Department of
(2004) Reuse of Lime Sludge from Water Softening and Coal Combustion Byproducts, TR-459, 2004. Transportation, Department of
(2004) Highway 60 Reconstruction Project : Final Environmental Impact Statement, 2004. Transportation, Department of
(2004) Field Evaluation of Compaction Monitoring Technology: Phase I, 2004. Transportation, Department of
(2004) Evaluation of the Iowa Department of Transportation's Compensatory Wetland Mitigation Program, TR-500, 2004. Transportation, Department of
(2004) Introducing A Key Travel Service to the Metro Area: Trip Guide, 2004. Transportation, Department of
(2003) Deploying the Maintenance Decision Support System (MDSS) in Iowa, 2003. Transportation, Department of
(2003) Use of LIDAR-based Elevation Data for Highway Drainage Analysis: A Qualitative Assessment, 2003. Transportation, Department of
(2003) Total Cost of Transportation Analysis of Road and Highway Issues, TR-477, Phase 2 Supplement, 2003. Transportation, Department of
(2003) Total Cost of Transportation Analysis of Road and Highway Issues, TR-477, Phase 2, 2003. Transportation, Department of
(2003) Asphalt Rubber Cement Concrete Webster County, HR-555, Final Report, 2003. Transportation, Department of
(2003) Iowa's Mississippi River Trail Plan, 2003. Transportation, Department of
(2003) Capacity improvement to U.S. 20 in Dubuque County, Iowa, 2003. Transportation, Department of
(2002) Iowa as a Litter-Free State : Findings, Implications & Recommendations from the Statewide Litter Surveys, 2002. Transportation, Department of
(2002) 2002 Roadside Litter Characterization Study, Summary, 2002. Transportation, Department of
(2002) Finding of No Significant Impact and Final Section 4(f) Statement for the Capacity of U.S. 20 across the Mississippi River, Dubuque County, Iowa and Jo Daviess County, 2002. Transportation, Department of
(2002) Highway 60 Reconstruction Project, Draft Environmental Impact Statement, 2002. Transportation, Department of
(2001) Iowa Scenic/Heritage Byway Evaluation, 2001. Transportation, Department of
(2001) CAN-DO Reference Manual: Guideline for implementing Iowa Department of Transportation's CAN-DO Project Development Process, October 2001. Transportation, Department of
(2001) Environmental Assessments: A How-To Manual, 2001. Transportation, Department of
(2001) Phase I Environmental Site Assessment of the Proposed State Highway 60 Bypass Around Le Mars, Iowa, Plymouth County, Abridged Phase I, 2001. Transportation, Department of
(2001) Highway Maintenance Concept Vehicle Final Report: Phase Three, 2001. Transportation, Department of
(2001) The Use of Abrasives in Winter Maintenance, TR-434, 2001. Transportation, Department of
(2001) 2001 Roadside Litter Characterization Study, Summary, 2001. Transportation, Department of
(2001) CAN-DO Reference Manual: Guideline for implementing Iowa Department of Transportation's CAN-DO Project Development Process, Revised 2001. Transportation, Department of
(2001) Techniques for Estimating Flood-Frequency Discharges for Streams in Iowa, HR-395A, 2001. Transportation, Department of
(2000) Iowa Scenic/Heritage Byway Evaluation, 2000. Transportation, Department of
(1999) Floods of July 19-25, 1999, in the Wapsipinicon and Cedar River Basins, Northeast Iowa, HR-140, 1999. Transportation, Department of
(1999) Floods of May 17-20, 1999, in the Volga and Wapsipinicon River Basins, Northeast Iowa, HR-140, 1999. Transportation, Department of
(1999) Iowa 2 east bypass of Sidney, Fremont County / by U.S. Department of Transportation, Federal Highway Administration and Iowa Department of Transportation, Planning and Programming Division, Office of Project Planning, 1999. Transportation, Department of
(1998) US Highway 65 / IA-330 Improvements Polk and Jasper Counties, Iowa : Limited Phase I, Environmental Site Assessment, 1998. Transportation, Department of
(1998) The Mormon Trail: Historic Byway Inventory and Evaluation, 1998. Transportation, Department of
(1998) Video Inspection of Highway Edgedrain Systems, HR-317, 1998. Transportation, Department of
(1998) The Potential of Friction as a Tool for Winter Maintenance, TR-400, 1998. Transportation, Department of
(1998) Flood of June 15-17, 1998, Nishnabotna and East Nishnabotna Rivers, Southwest Iowa, HR-140. Transportation, Department of
(1998) Statistical Summaries of Selected Iowa Streamflow Data Through September 1996, HR-395, 1998. Transportation, Department of
(1997) Guidelines for County Engineering Decisions, HR-369, 1997. Transportation, Department of
(1997) Measurement of Ice Scraping Forces on Snow-Plow Underbody Blades, HR-372, 1997. Transportation, Department of
(1997) Floods of September 15-16, 1992, in the Thompson, Weldon, and Chariton River Basins, South-Central Iowa, HR-140, 1997. Transportation, Department of
(1996) Improvement of U.S. 61 in Des Moines and Louisa Counties, June 28, 1996. Transportation, Department of
(1996) A Laboratory Evaluation of Tungsten Carbide Inserts for Snowplow Blades, MLR-95-6, 1996. Transportation, Department of
(1996) Flood of May 19, 1990, Along Perry Creek in Plymouth and Woodbury Counties, Iowa, HR-140, 1996. Transportation, Department of
(1996) Flood-Plain and Channel Aggradation at Selected Bridge Sites in the Iowa and Skunk River Basins, Iowa, HR-350, 1996. Transportation, Department of
(1996) Floods of July 12, 1972, March 19, 1979, and June 15, 1991, in the Turkey River, Northeast Iowa, HR-140, 1996. Transportation, Department of
(1996) Floods of June 17, 1990 and July 9, 1993, Along Squaw Creek and the South Skunk River in Ames, Iowa, and Vicinity, HR-140, 1996. Transportation, Department of
(1995) Iowa's "Great River Road" Scenic Byway Evaluation, 1995. Transportation, Department of
(1994) Stream Stabilization in Western Iowa, HR-352, 1994. Transportation, Department of
(1994) Recycled Paper Erosion Control Mat, HR-349, 1994. Transportation, Department of
(1992) Supplemental Pre-Location Report, U.S. 18, Mason City Bypass I-35 to Rudd : Cerro Gordo and Floyd Counties, 1992. Transportation, Department of
(1992) Floods of 1986 and 1990 in the Raccoon River Basin, West-Central Iowa, HR-140, 1992. Transportation, Department of
(1992) Iowa Scenic Byway Evaluation, 1992. Transportation, Department of
(1991) Relocated U.S. 20 in Hardin and Grundy Counties, Draft Environmental Impact Statement by the U.S. Department of Transportation, June 1991. Transportation, Department of
(1991) Arterial Street Plan for the Iowa City Urbanized Area, February 1991. Transportation, Department of
(1991) Manual of Engineering Procedures for determining Arterial Street Needs, 1959. Transportation, Department of
(1991) Video Evaluation of Highway Drainage Systems, HR-317, 1991. Transportation, Department of
(1990) Emission Control in Diesel Engines by Alcohol Fumigation, 1990. Transportation, Department of
(1989) Relocated US 20 Newsletter, No. 1, July 1989. Transportation, Department of
(1989) Correlation of Locally-Based Performance of Asphalts with Their Physicochemical Parameters, Progress Report 2, HR-298, 1989. Transportation, Department of
(1987) Effect of Anti-Strip Agents on Temperature Susceptibility of Asphalt Cements, MLR-87-01, 1987. Transportation, Department of
(1987) CBD Loop Arterial, Des Moines, Polk County, Iowa : Administrative Action : Final Environmental Impact Statement, 1987. Transportation, Department of
(1986) The Use of Remote Sensing Techniques Compared to Traditional Archaeological Phase II Testing Methods: A Cost-Benefit Analysis, HR-524, 1986. Transportation, Department of
(1985) Highway Runoff Study, HR-1037, Final Report, 1985. Transportation, Department of
(1985) Iowa Transportation Laws, HR-234, 1985. Transportation, Department of
(1985) Cultural Resources Assessment: Tracts 1 and 1A Relocated U.S. 61 Dubuque, Iowa, January 1985. Transportation, Department of
(1985) Effect of a Noise Wall on Snow Accumulation and Air Quality, 1985. Transportation, Department of
(1985) Great River Road: Mississippi, 1985. Transportation, Department of
(1984) Snow Removal on Iowa's Secondary Roads, HR-267, 1984. Transportation, Department of
(1984) Recycled Portland Cement Concrete Pavement in Iowa, HR-506, 1984. Transportation, Department of
(1984) Experimental Use of Calcium Magnesium Acetate, Addendum, HR-253, 1984. Transportation, Department of
(1984) Highway Runoff Study, HR-1037, Progress Report, 1984. Transportation, Department of
(1984) Federal Highway Administration finding of No Significant Impact for the Improvement of U.S. 218 in Janesville, Black Hawk and Bremer Counties, Iowa project no. F-218-8, 1985. Transportation, Department of
(1984) Federal Highway Administration finding of no significant impact for the improvement of U.S. 63 from Denver to Iowa 3 Bremer County, Iowa, February 28, 1984. Transportation, Department of
(1983) Evaluation of Dense Bridge Floor Concrete using High Range Water Reducer, May 1983. Transportation, Department of
(1983) Factors Relating to Aggregate Durability in Portland Cement Concrete, HR-2022, Interim Report, 1983. Transportation, Department of
(1983) CBD Loop Arterial, Des Moines, Polk County, Iowa : Administrative Action : Draft Environmental Impact Statement, 1983. Transportation, Department of
(1982) Row Crop Response to Topsoil Restored on Borrow Areas, HR-186, 1982. Transportation, Department of
(1982) Row Crop Response to Topsoil Restored on Borrow Areas, HR-186, Supplemental Report, 1982. Transportation, Department of
(1982) Sieve Analysis of Combined Aggregate Samples by Different Test Methods, MLR-84-05, 1982. Transportation, Department of
(1980) Maintenance Equipment Lighting Manual, September 1980. Transportation, Department of
(1979) Railroad Rights-of-Way as Wildlife Habitat in Iowa by Lynn Braband and Erwin E. Klaas, October 1979. Iowa State University
(1979) Wind Tunnel Analysis of the Effects of Planting at Highway Grade Separation Structures, HR-202, 1979. Transportation, Department of
(1979) Arterial 561 Couler Valley, Dubuque, IA Part II: Draft Environmental Impact Statement Appendix - Cultural Resources Assessment, January 1979. Transportation, Department of
(1979) Arterial 561, Couler Valley, Dubuque, Iowa, Draft Environmental Impact Statement Appendix, Cultural Resources Assessment, January 1979. Transportation, Department of
(1979) U.S. 71 from Milford North to Iowa 9 in Spirit Lake, Dickinson County : Administrative Action, Draft Environmental Impact Statement. Transportation, Department of
(1978) Evaluation of an Epoxy Pavement Marking System, HR-180, 1978. Transportation, Department of
(1978) Iowa Application for Discretionary Priority Primary Funding U.S. 61 from I-80 at Davenport to Wisconsin state line at Dubuque, June 1978. Transportation, Department of
(1978) Final Environmental Statement, U.S. 30 Benton and Linn Counties, March 1978. Transportation, Department of
(1977) Arterial Highway 520 Hamilton and Hardin Counties from 0.5 Mile East of I-35 to 0.5 Mile East of U.S. 65, July 1977. Transportation, Department of
(1977) Low Profile Marker for Wet/Night Visibility, HR-1005, 1977. Transportation, Department of
(1976) Arterial Highway 500 in Polk County from Iowa 5 to Interstate 80, Administrative Action, Draft Environmental Impact Statement, December 1976. Transportation, Department of
(1975) Evaluation of Crushed Limestone Rock as a Mulch Material, HR-171, 1975. Transportation, Department of
(1975) Visibility and Speed Estimation of Iowa State Highway Commission Snowplows, HR-174, 1975. Transportation, Department of
(1974) Davenport, Iowa to La Crosse, Wisconsin: Highway Corridor Study, 1974. Transportation, Department of
(1974) Minimum Floodway and Flood Protection Requirements, Skunk River-Squaw Creek, Ames Iowa, January 1974. Transportation, Department of
(1974) Data Processing Orientation "EIT" Program, 1974. Transportation, Department of
(1974) Statistical summaries of Iowa streamflow data through September 30, 1971, 1974. Transportation, Department of
(1972) Data Processing Systems Manual: Highway Noise Prediction, 1972. Transportation, Department of
(1972) Proceedings Seminar in applied Remote Sensing, September 1972. University of Iowa
(1972) Effects of Cement on Moisture Migration in Concrete, Phase A, Laboratory Study of Moisture Migration in Hardened Cement Paste, HR-141, 1972. Transportation, Department of
(1972) Comparison Between Leaded and Nonleaded Gasoline as Used in Iowa State Highway Commission Vehicles, HR-1002, 1972. Transportation, Department of
(1971) Consolidation of Loess, 1971. Transportation, Department of
(1969) X-Ray Diffraction of Highway Materials, HR-128, 1969. Transportation, Department of
(1968) Flood Profile Study, Squaw Creek, Linn County, Iowa prepared by U.S. Geological Survey, June 1968. Transportation, Department of
(1968) Great River Road Iowa: Development Report, March 1968. Transportation, Department of
(1968) Iowa Mississippi River Resource: A Preliminary Planning Report, 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
(1967) Iowa Highway Commission field inspection trip of the Iowa Great River Road: in cooperation with the Iowa Mississippi River Parkway Commission, October 1967. Transportation, Department of
(1966) Investigation of the Lane-Wells Road Logger, HR-113, 1966. Transportation, Department of
(1966) Magnitude and Frequency of Iowa Floods: HR-2 – Part 1, July 1966. Transportation, Department of
(1966) Magnitude and Frequency of Iowa Floods:HR-2, 1966. Transportation, Department of
(1965) Subgrade Insulation to Prevent Soil Freezing, HR-87, 1965. Transportation, Department of
(1965) The 1965 Mississippi River flood in Iowa, 1965. University of Northern Iowa
(1964) Subgrade Insulation to Prevent Soil Freezing, August 1964. Transportation, Department of
(1961) Frost Boils, 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) Missouri River Studies: Alluvial Morphology and Engineering Soil Classification, HR-1, Progress Report, 1960. Transportation, Department of
(1960) Determination of Flood Dischard Characteristics of Small Drainage Areas, HR-3, Progress Report, 1960. Transportation, Department of
(1959) Erosion Control on Highway Backslopes, HR-64, Progress Report, 1959. Transportation, Department of
(1959) Hydraulics of box culverts, 1959. Transportation, Department of
(1957) Iowa Drainage Laws (Annotated), HR-46 and Iowa Highway Research Board Bulletin No. 6, 1957. Transportation, Department of
(1956) Scour Around Bridge Piers and Abutments, HR-30 and Iowa Highway Research Board Bulletin No. 4, 1956. Transportation, Department of
(1953) A Generalized Model Study of Scour Around Bridge Piers and Abutments, HR-24, 1953. Transportation, Department of
(1951) Scour around Bridges, April 1951. Transportation, Department of
FY 2021 Research At-A-Glance. Transportation, Department of
(1988) Transportation in Iowa: A Historical Summary, 1988. Transportation, Department of
