InTrans 30-Year Timeline Brochure (497 KB)

Project Management Strategies for Complex Projects: Case Study Report

Unticketing Implementation Guide (712 KB)

Brief guide that offers advice for Iowa communities that wish to implement their own version of Unticketing Cerro Gordo, an IHRB-sponsored demonstration project that explored whether compliance with traffic laws can be improved by incentivizing safe driving behavior while leaving in place existing sanctions against unsafe driving behavior

ConcreteWorks Software for Iowa Use Operator’s Manual (3 MB)

Traffic Safety Analysis for Local Agencies (6 MB)

Planning-Level Guidelines for Modern Roundabouts (4 MB)

Thin Maintenance Surfaces Handbook (2007) (7 MB)

Local Roads Maintenance Workers’ Manual (20 MB)

Iowa Drainage Law Manual (3 MB)

Low Water Stream Crossings in Iowa: A Selection and Design Guide (459 KB)

Emergency Response Information System (ERIS) (2 MB)

Iowa Traffic Control Devices and Pavement Markings: A Manual for Cities and Counties (7 MB)

Infrastructure Management Information System User Manual (1 MB)

Project Selection Guidance for Cold In-Place Recycled Pavements (207 KB)

Guidance document for an IHRB-sponsored research project that provides guidance on considering project for possible CIR use in Iowa, based on research and typical practices in the state and also national and international research

Safety Evaluation of Destination Lighting at Stop-Controlled Cross Intersections (424 KB)

Crash Modification Factors for Chevrons in Iowa (732 KB)

Safety Edge Crash Modification Factors (1 MB)

Dynamic Speed Feedback Signs (704 KB)

Chevrons and Oversized Chevrons (221 KB)

Advance Stop Line Rumble Strips (135 KB)

Adding Turn Lanes/Channelization (261 KB)

Vertical Delineation (715 KB)

Paved Shoulders (180 KB)

On-Pavement Signing (573 KB)

Intersection Lighting (120 KB)

Flashing Beacons (175 KB)

Dynamic Speed Feedback Signs for Rural Traffic Calming (1 MB)

Colored Entrance Treatments for Rural Traffic Calming (1 MB)

Center Islands with Raised Curbing for Rural Traffic Calming (803 KB)

Recommendations for Achieving Safety Edge Consistency during Paving (2 MB)

Assessing the Costs for Hybrid versus Regular Transit Buses (1 MB)

Evaluation of Electronic Speed Limit Signs on US 30 (2 MB)

Evaluation of Safety Edge Benefits in Iowa (5 MB)

Pavement Edge Drop-Off (Technology News, September-October 2006) (201 KB)

2022 Mid-Continent Transportation Research Symposium Compendium

2019 Mid-Continent Transportation Research Symposium Compendium

2017 Mid-Continent Transportation Research Symposium Compendium

2015 Mid-Continent Transportation Research Symposium Compendium (39 MB)

2013 Mid-Continent Transportation Research Symposium Compendium (6 MB)

2011 Mid-Continent Transportation Research Symposium Compendium (5 MB)

Proceedings of the 2009 Mid-Continent Transportation Symposium (23 MB)

Proceedings of the 2007 Mid-Continent Transportation Symposium (20 MB)

Proceedings of the 2005 Mid-Continent Transportation Symposium (25 MB)

Proceedings of the International Workshop on Sustainable Development and Concrete Technology (2004) (11 MB)

Proceedings of the 2003 Mid-Continent Transportation Symposium (20 MB)

Proceedings of the 2000 Mid-Continent Transportation Symposium (10 MB)

Crossroads 2000 Proceedings (5 MB)

Spanish as a Second Language Survival Course and Concrete Pavement Basics Course (2005) (21 MB)

Roadway Cross Section Reconfiguration: Question 14 (297 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 13 (215 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 12 (724 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 11 (2 MB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 10 (340 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 9 (365 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 8 (218 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 7 (617 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 6 (301 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 5 (380 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 4 (394 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 3 (275 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 2 (62 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Roadway Cross Section Reconfiguration: Question 1 (366 KB)

Question and answer that addresses some of the initial planning-level considerations when determining whether to include a four-lane undivided to three-lane conversion as an alternative for assessment

Summary Report for the 2008 Workshop on Intelligent Compaction for Soils and HMA (11 MB)

Integration of Connected Vehicle and RWIS Technologies (2 MB)

White paper for an Aurora-sponsored research project that investigated challenges related to the integration of connected vehicles and road weather information systems