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(2023) Research Solutions - Technology-focused pooled fund explores new transportation solutions - TPF-5(359). Transportation, Department of
(2023) Evaluation of Messaging Techniques to Increase Vehicle Spacing at Work Zones. Transportation, Department of
(2022) Work Zone Speed Limits and Motorist Compliance - TPF-5(438). Transportation, Department of
(2022) Automated Transportation Planning Considerations, May 2022. Transportation, Department of
(2022) Smart Work Zone Deployment Initiative - Effective Signing Strategies and Signal Displays for Work Zone Driveway Assistance Devices (DADs) - TPF-5(438). Transportation, Department of
(2021) Using Smart Work Zone Trailer Data to Evaluate and Predict Lane Closure Impacts with a Consideration of Work Intensity Project TPF-5(438). Transportation, Department of
(2021) Work Zone Data Management Applications and Opportunities_TPF-5(295). Transportation, Department of
(2020) Assessing Driver Behavior at Back of Queues: Implications for Queue Warning System in Work Zones - TPF-5(295). Transportation, Department of
(2020) Development of Adjustment Factors for HCM Sixth Edition Freeway Work Zone Capacity Methodology TPF-5(295). Transportation, Department of
(2020) Optimal RWIS Sensor Density and Location – Phase II - TPF-5(290) Aurora Project2016-03. Transportation, Department of
(2019) Evaluation of Speed Limit Policy Impacts on Iowa Highways Final Report 17-SPR0-012. Transportation, Department of
(2019) Cooperative Automated Transportation Service Layer Plan, November 2019. Transportation, Department of
(2018) Evaluation of Rural Intersection Treatments - TR-695. Transportation, Department of
(2018) Iowa DOT Traffic Operations Open Data Service - User Guide and Software Requirements Version 1.2 - Addendum 587. Transportation, Department of
(2017) Improving Estimates of Real-Time Traffic Speeds During Weather for Winter Maintenance Performance Measurements, April 2017. Transportation, Department of
(2016) Safety Assessment Tool for Construction Zone Work Phasing Plans, 2016. Transportation, Department of
(2016) Temporary Traffic Control Handbook, TR-694, 2016. Transportation, Department of
(2015) Maintenance of Traffic for Innovative Geometric Design Work Zones_TPF-5(081). Transportation, Department of
(2015) VISSIM Calibration for Urban Freeways, 2015. Transportation, Department of
(2015) Evaluation of the Confirmation Light System at Signalized Intersections in Medium to Large Iowa Communities to Reduce Red Light Running Violations”, TR-657, 2015. Transportation, Department of
(2015) Highway Work Zone Capacity Estimation Using Field Data from Kansas, TPF-5(081), 2015. Transportation, Department of
(2015) Modeling Merging Behavior at Lane Drops, InTrans Projects 13-466 and 06-277, 2015. Transportation, Department of
(2014) Quantifying Uncertainty in Real Time Performance Measurement for Highway Winter Maintenance Operations – Phase 2, RB03-013, 2014. Transportation, Department of
(2014) Synthesis of Iowa Research to Address Rural Safety, RB04-013, 2014. Transportation, Department of
(2013) Wind Loads on Dynamic Message Cabinets and Behavior of Supporting Trusses, TR-612, 2013. Transportation, Department of
(2013) Center islands with Raised Curbing for Rural Traffic Calming : Tech Brief, February, 2013. Transportation, Department of
(2013) Transverse Speed Bars for Rural Traffic Calming: Tech Brief, February 2013. Transportation, Department of
(2013) Colored Entrance Treatments for Rural Traffic Calming : Tech Brief, 2013. Transportation, Department of
(2012) Speed Management Toolbox for Rural Communities, TR-630, Final Report, December, 2012. Transportation, Department of
(2012) Revision to the SUDAS Traffic Signal Standards - Phase 2: TR-629, 2012. Transportation, Department of
(2011) Improving Traffic Safety Culture in Iowa, 2011. Transportation, Department of
(2010) Special Events Planning, 2010. Transportation, Department of
(2009) Revision to the SUDAS Traffic Signal Design Guide, TR-546, 2009. Transportation, Department of
(2009) Effectiveness of Dynamic Messaging on Driver Behavior for Late Merge Lane Road Closures, 2009. Transportation, Department of
(2009) Synthesis of Traffic Calming Techniques in Work Zones, 2009. Transportation, Department of
(2008) Planning-Level Guidelines for Modern Roundabouts, 2008. Transportation, Department of
(2008) Road Safety Audit for US 52 in Dubuque County from IA 136 to the NCL of Dubuque, 2008. Transportation, Department of
(2008) Strategies to Address Nighttime Crashes at Rural, Unsignalized Intersections, TR-540, 2008. Transportation, Department of
(2007) The Effectiveness of Iowa's Automated Red Light Running Enforcement Programs, 2007. Transportation, Department of
(2007) Evaluation of Gateway and Low-Cost Traffic-Calming Treatments for Major Routes in Small, Rural Communities, TR-523, 2007. Transportation, Department of
(2007) Assessment of Channelizing Device Effectiveness on High Speed/High Volume Roadways, 2007. Transportation, Department of
(2006) Planning, Developing, and Implementing the Iowa Pavement Marking Management System (IPMMS): Phases I and II, 2006. Transportation, Department of
(2005) Guidelines for Removal of Traffic Control Devices in Rural Areas, TR-527, 2005. Transportation, Department of
(2004) Older Driver: Best Engineering Practices for Roadway Improvement, October 2004. Transportation, Department of
(2004) Rural Expressway Intersection Synthesis of Practice and Crash Analysis, 2004. Transportation, Department of
(2004) Development of the Des Moines Access Management Plan, 2004. Transportation, Department of
(2004) Corridor Management Pilot Projects, 2004. Transportation, Department of
(2004) Predicted Accident List by FRA number, 2004. Transportation, Department of
(2003) Remote Sensing (LIDAR) for Management of Highway Assets for Safety, 2003. Transportation, Department of
(2003) Transportation Program Management System, HR-394, 2003. Transportation, Department of
(2003) Remote Sensing Change Analysis Methodology to Support Traffic Monitoring Programs, 2003. Transportation, Department of
(2003) In-Street Yield to Pedestrian Sign Application in Cedar Rapids, Iowa, 2003. Transportation, Department of
(2002) High Priority Corridors for Access Management Near Large Urban Areas in Iowa, 2002. Transportation, Department of
(2002) Traffic Control in Work Zones with Edge Drop-Offs, 2002. Transportation, Department of
(2002) Temporary Speed Hump Impact Evaluation, 2002. Transportation, Department of
(2002) Iowa: Transportation Profile, 2002. Transportation, Department of
(2000) Quick Guide to Iowa Transportation Statistics, December 2000. Transportation, Department of
(2000) 2000 Transportation Scholars Conference: Compendium of Papers, 2000. Transportation, Department of
(1999) Work Zone Simulation Model, 1999. Transportation, Department of
(1999) Traffic Management Strategies for Merge Area in Rural Interstate Work Zones, CTRE 97-12, 1999. Transportation, Department of
(1998) Improved Employment Data for Transportation Planning, 1998. Transportation, Department of
(1998) Simulation and Analysis of Arterial Traffic Operations Along the U.S. 61 Corridor in Burlington, Iowa, 1998. Transportation, Department of
(1998) Maximizing the Use of Roadway Weather Information Systems: Final Report, TR-404, 1998. Transportation, Department of
(1998) Evaluation of Maturity and Pulse Velocity Measurements for PCC Traffic Opening Decisions, HR-380, 1998. Transportation, Department of
(1998) Crossroads 2000 Proceedings, 1998. Transportation, Department of
(1998) Highway Performance and Time-Sensitive Industries, 1998. Transportation, Department of
(1997) Access Management Awareness Program Phase II Report, TR-402, 1997. Transportation, Department of
(1996) Improvement of U.S. 61 in Des Moines and Louisa Counties, June 28, 1996. Transportation, Department of
(1995) Minimum Retroreflectivity of Traffic Signs and Pavement Markings, HR-562, 1995. Transportation, Department of
(1994) Analysis of Policies for Safety Improvements on Low-Volume Rural Roadways,1994. Transportation, Department of
(1994) Scott County Work Zone Enforcement Study by Patrick Marsh, April 1994. Transportation, Department of
(1994) U.S. 151 Cascade to Dubuque, Dubuque County : project concept and assessment of impacts, 1994. Transportation, Department of
(1993) Iowa Transportation Center: Research, Education, and Extension, 1993. Transportation, Department of
(1992) Scenic Byways: Their Selection, Designation, Protection and Safety, 1992. Transportation, Department of
(1992) A Literature Review of Urban Bypass Studies, 1992. Transportation, Department of
(1992) U.S. Highway 20 Corridor Development Study, 1992. Transportation, Department of
(1992) U.S. Highway 20 Corridor Development Study, Report B: Improvement Alternatives, Costs and Traffic, 1992. Transportation, Department of
(1991) Fiscal Year 1992 Transportation Improvement Program for the Iowa City Urbanized Area, April 1991. Transportation, Department of
(1991) City of Des Moines Traffic and Transportation Department, Traffic Accident Report, 1995. Transportation, Department of
(1991) Traffic Accident Report: Summary for 1991 City of Des Moines, Iowa Traffic and Transportation Department, 1991. Transportation, Department of
(1991) Traffic Accident Report: Summary for 1994 City of Des Moines, Iowa Traffic and Transportation Department, 1994. Transportation, Department of
(1991) Trucking in Iowa prepared by the American Trucking Associations, 1991. Transportation, Department of
(1991) U. S. 61 Muscatine Bypass Corridor, 1991. Transportation, Department of
(1990) A Computer-Aided Decision Support System for Making Locational Decisions, 1990. Transportation, Department of
(1990) Fiscal year 1991-95 Transportation Improvement Program for the Iowa City Urbanized Area, April 1990. Transportation, Department of
(1990) St. Louis to St. Paul Corridor Feasibility and Necessity Study: Consultant's Report to the States, 1990. Transportation, Department of
(1990) St. Louis to St. Paul Corridor Feasibility and Necessity Study: Consultant's Summary Report, 1990. Transportation, Department of
(1989) Fast Track and Fast Track II - Cedar Rapids, Iowa, HR-544, Construction Report, 1989. Transportation, Department of
(1989) Iowa Motor Vehicle Fuel Reduction Program, 1989. Transportation, Department of
(1988) Automated Traffic/Truck Weight Monitoring Equipment (Weigh-in-Motion), HR-282, 1988. Transportation, Department of
(1987) Effectiveness of Parallel Noise Barriers - An Iowa Study, HR-540, 1987. Transportation, Department of
(1987) Fiscal year 1988 Transportation Improvement Program for the Iowa City Urbanized Area, April 1987. Transportation, Department of
(1986) A Literature Review of Urban Bypass Studies, 1986. Transportation, Department of
(1985) 1985 Accident Summary Report for the Des Moines Metropolitan Area, September 1985. Transportation, Department of
(1985) Quad-City Street/Highway Intersection Traffic Accident Report, September 1985. Transportation, Department of
(1984) 1984 Quad-City Street/Highway Intersection Traffic Accident Report, August 1984. Transportation, Department of
(1984) Transportation Improvement Program for the Iowa City Urbanized Area FY'85-'89, June 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
(1982) Epoxy Thermoplastic Traffic Marking Material, HR-1033, 1982. Transportation, Department of
(1981) An Analysis of Driver License Office Data Bases prepared by Office of Transportation Research, Iowa Department of Transportation, May 1981. Transportation, Department of
(1981) Field Evaluation of Electro-Reflective Measuring Apparatus (ERMA), MLR-81-01, 1981. Transportation, Department of
(1980) Summary of Permanent Continuous Automatic Traffic Count Stations of Iowa prepared by Iowa Department of Transportation, April 1980. Transportation, Department of
(1979) Development of Concepts for Pavement Management, MLR-79-04, 1979. Transportation, Department of
(1979) Determination of Rumble Strip Effectiveness, HR-184, 1979. Transportation, Department of
(1979) Guidelines for Planning, Designing, and Developing Ground Transportation Centers. Transportation, Department of
(1978) Sioux City combined recorder count programs, Summer 1978. Transportation, Department of
(1978) Report on a Traffic Safety Study for Ankeny Iowa, December 1978. Transportation, Department of
(1978) Evaluation of an Epoxy Pavement Marking System, HR-180, 1978. Transportation, Department of
(1978) First Avenue study, August 1978. Transportation, Department of
(1978) Traffic Engineering Study for the City of Boone Iowa, August 1978. Transportation, Department of
(1978) Portable School Stop Signs and Other Non-Uniform School Stop Control Devices, HR-190, 1978. Transportation, Department of
(1978) Streets and Traffic by Kevin Laverty, 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) Transportation Improvement Program for the Waterloo Metropolitan Area: FY 1978 Annual Element & 1979-1982, July 1977. Transportation, Department of
(1977) Fiscal Year 1987 Transportation Improvement Program for the Iowa City Urbanized Area, April 1986. 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
(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, January 22, 1976. Transportation, Department of
(1976) City of Keokuk, Iowa: Traffic Safety Study, 1976. Transportation, Department of
(1976) A Study of Traffic Accidents in Council Bluffs Iowa, 1976. Transportation, Department of
(1975) Final Environmental Statement and Location Study Report : U.S. 61 and Iowa 2 Fort Madison in Lee County, September 1975. Transportation, Department of
(1975) The Highway Mode: Principal Routes as proposed January 1975 prepared by multilane highway system Department, Iowa State Highway Commission, 1975. Transportation, Department of
(1973) Iowa Speed Study 1973 prepared by Iowa State Highway Commission, July 1973. Transportation, Department of
(1973) A Traffic Study for the Bridgeport Industrial Area Sioux City, Iowa, March 1973. Transportation, Department of
(1973) Waverly Origin and Destination Traffic Report, Iowa State Highway Commission, February 1973. Transportation, Department of
(1972) Iowa Speed Study 1972 prepared by Iowa State Highway Commission, July 1972. Transportation, Department of
(1972) Preliminary Study on the Relationship between Traffic Violation Convictions and Traffic Accidents of Drivers involved in Fatal Accidents Iowa, 1972 prepared by Aurora P. Berenguel. Public Safety, Department of
(1971) Iowa Speed Study 1971 prepared by Iowa State Highway Commission, July 1971. Transportation, Department of
(1971) Sheldon Origin and Destination Traffic Report, Iowa State Highway Commission, March 1971. Transportation, Department of
(1970) Dickinson County and Iowa Great Lakes Region Origin and Destination Traffic Survey prepared by Highway Planning Section, Iowa State Highway Commission, May 1959. Transportation, Department of
(1970) An Inventory of Highways in Iowa using the Photo/File System, December 1970. Transportation, Department of
(1970) Red Oak--Corning, U.S. 34 relocation / prepared by the Highway Planning Surveys Department, Division of Planning, Iowa State Highway Commission in cooperation with the U.S. Department of Transportation, Federal Highway Administration, 1970. Transportation, Department of
(1970) Guidelines for the Inclusion of Left-Turn Lanes at Rural Highway Intersections, HR-147, 1970. Transportation, Department of
(1970) Charles City Origin and Destination Traffic Study, Iowa State Highway Commission, August 1970. Transportation, Department of
(1970) A Study of the Need for Traffic Signals at Selected Intersections, May 1970. Transportation, Department of
(1970) New Hampton Origin and Destination Traffic Report prepared by Highway Planning Surveys Department, Iowa State Highway Commission, February 1970. Iowa State University
(1970) State of Iowa traffic Records and Criminal Justice Information Systems (TRACIS), 1970. Judicial Branch
(1969) Albia Origin and Destination Traffic Study, Iowa State Highway Commission, July 1969. Transportation, Department of
(1969) Clarinda Origin and Destination Traffic Study, Iowa State Highway Commission, July 1969. Transportation, Department of
(1969) Iowa Speed Study 1969 prepared by Iowa State Highway Commission, July 1969. Transportation, Department of
(1969) Maquoketa Origin and Destination Traffic Report, Iowa State Highway Commission, June 1969. Transportation, Department of
(1969) Vinton Origin and Destination Traffic Report, Iowa State Highway Commission, June 1969. Transportation, Department of
(1969) Criteria for the Evaluation and Disposition of Low-Traffic-Count Secondary Roads, February 7, 1969. Transportation, Department of
(1968) Des Moines River Toll Bridge Vincennes Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, October 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Clinton Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, October 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Davenport Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, October 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Keokuk Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, September 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Fort Madison Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, August 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Toolesboro, Preliminary Engineering Report by the Iowa State Highway Commission, August 1968. Transportation, Department of
(1968) Sioux City Mississippi River Toll Bridge, Preliminary Engineering Report by the Iowa State Highway Commission, August 1968. Transportation, Department of
(1968) Bloomfield Origin and Destination Traffic Study, Iowa State Highway Commission, July 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Lansing Iowa, Preliminary Engineering Report by the Iowa State Highway Commission, July 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge, Prairie du Chien, Wisconsin: Preliminary Engineering Report by the Iowa State Highway Commission, July 1968. Transportation, Department of
(1968) Sabula Iowa, Mississippi River Toll Bridge: Preliminary Engineering Report by the Iowa State Highway Commission, July 1968. Transportation, Department of
(1968) Special Origin and Destination Study Benton County, Iowa State Highway Commission, July 1968. Transportation, Department of
(1968) Hampton Origin and Destination Traffic Report, Iowa State Highway Commission, June 1968. Transportation, Department of
(1968) Ida Grove Origin Destination Traffic Report prepared by Iowa State Highway Commission, June 1968. Transportation, Department of
(1968) Mississippi River Toll Bridge Cassville Wisc, Preliminary Engineering Report by the Iowa State Highway Commission, June 1968. Transportation, Department of
(1968) Review of Geometric Design Criteria and Lighting Design Criteria, 1968. Transportation, Department of
(1968) Storm Lake Origin and Destination Traffic Study, Iowa State Highway Commission, May 1968. Transportation, Department of
(1968) Muscatine Iowa Mississippi River Toll Bridge, Preliminary Engineering Report by the Iowa State Highway Commission, April1968. Transportation, Department of
(1967) Design and Operation of the Traffic Simulator, HR-100, 1967. Transportation, Department of
(1967) Service Correlation of the Traffic Simulator, HR-100, 1967. Transportation, Department of
(1966) Special Origin and Destination Study Ida County prepared by Traffic and Highway Planning Department, Iowa State Highway Commission, September 1966. Transportation, Department of
(1966) Utilization of I-280 Highway Embankment as an Impounding Structure to provide a 93 Acre Recreation Lake Development : Black Hawk Creek: Sections 25 and 36, T78N, R2E, Scott County Iowa, Volume II: Hydrology and Hydraulic Studies, September 1966. Transportation, Department of
(1966) Knoxville Origin and Destination Traffic Report, Iowa State Highway Commission, July 1966. Transportation, Department of
(1966) Pella Origin and Destination Traffic Study, Iowa State Highway Commission, July 1966. Transportation, Department of
(1966) Mason City Origin and Destination Traffic Study, Supplement to 1962 Report, Iowa State Highway Commission, June 1966. Transportation, Department of
(1966) Special Origin and Destination Study Delaware County prepared by Traffic and Highway Planning Department, Iowa State Highway Commission, May 1966. Transportation, Department of
(1965) Fort Dodge Origin and Destination Traffic Survey prepared by Iowa State Highway Commission, February 1965. Transportation, Department of
(1965) Panora Origin and Destination Traffic Study, Iowa State Highway Commission, January 1965. Transportation, Department of
(1964) Washington Origin and Destination Traffic Study, Iowa State Highway Commission, November 1964. Transportation, Department of
(1964) Mason City Origin and Destination Traffic Study, Iowa State Highway Commission, April 1964. Transportation, Department of
(1963) Polk City Origin and Destination Traffic Report, Iowa State Highway Commission, July 1963. Transportation, Department of
(1963) Stuart Origin and Destination Traffic Study, Iowa State Highway Commission, January 1963. Transportation, Department of
(1962) Oskaloosa Origin and Destination Traffic Study, Iowa State Highway Commission, December 1962. Transportation, Department of
(1962) Special Origin and Destination Study Cedar County prepared by Traffic and Highway Planning Department, Iowa State Highway Commission, December 1962. Transportation, Department of
(1962) Grinnell Urban Area Origin and Destination Traffic Study, Iowa State Highway Commission, September 1962. Transportation, Department of
(1961) Sidney Origin and Destination Traffic Study, Iowa State Highway Commission, July 1961. Transportation, Department of
(1960) Sibley Origin and Destination Traffic Study, Iowa State Highway Commission, June 1970. Transportation, Department of
(1959) Albia Origin and Destination Traffic Study, Iowa State Highway Commission, August 1959. Transportation, Department of
(1959) Clinton Urban Area Origin and Destination Traffic Survey prepared by Iowa State Highway Commission, June1959. Transportation, Department of
(1959) Charles City Origin and Destination Traffic Study, Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Clarinda urban Area Origin and Destination Traffic Study, Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Decorah Urban Area Origin and Destination Traffic Study, Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Denison Corporate Area Origin and Destination Traffic Survey prepared by Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Fairfield Urban Area and Destination Traffic Survey prepared by Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Knoxville Urban Area Origin Destination Traffic Report prepared by Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Maquoketa Corporate Area Origin and Destination Traffic Survey, Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) New Hampton Origin and Destination Traffic Survey, Iowa State Highway Commission, April 1959. Transportation, Department of
(1959) Red Oak Urban Area Origin and Destination Traffic Survey, Iowa State Highway Commission, April 1959. 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
(1936) A compilation of traffic regulations in thirteen Iowa cities / by Laurence W. Murray [and] Alfred B. Bowman, 1936. Governor's Office
(1936) A study of drivers in major accidents, September, 1935-April, 1936, by Harold L. Gaunt [and] Laurence W. Murray, 1936. Governor's Office
(1916) The Use of Traffic Signs, December 20, 1916. Iowa State University
FY 2021 Research At-A-Glance. Transportation, Department of
