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NEWS FROM THE INSTITUTE FOR TRANSPORTATION

September 8, 2022

Top Stories

Register Today: Mid-Continent Transportation Research Symposium

Transparent map of North America atop a background photo showing a multi-lane, divided roadway at night
The Mid-Continent Transportation Research Symposium will be held on September 14 and 15. The biennial event is hosted by Iowa State University’s Institute for Transportation in partnership with the Iowa Department of Transportation.
The symposium provides an opportunity for participants to network with their peers, learn about advancements and applications in their respective fields, and anticipate future research directions. This event usually attracts over 300 transportation researchers and professionals from the Midwest and beyond. See the full program and register today! More
The Institute for Transportation (InTrans) and its centers and programs have a busy fall full of events. Check out the current list of events here.

CP Tech Center publishes new edition of Concrete Pavement Preservation Guide

Chain lift out of a distressed rectangular slab using hooks with chains
Pavement preservation is often described as “providing the right treatment to the right pavement at the right time.” To help highway agencies put that maxim into practice on their concrete pavement networks, the National Concrete Pavement Technology Center (CP Tech Center) recently released the third edition of its Concrete Pavement Preservation Guide.
“Several concrete pavement preservation treatments are available to meet a range of conditions,” said the guide’s project manager Steven Tritsch, an associate director at the CP Tech Center. “These treatments are often applied in combination to address several deficiencies and to maximize overall effectiveness—and when applied in a timely fashion, preservation treatments can also significantly improve pavement performance and extend service life.” More

Evaluating driver behavior at rural stop-controlled intersections

A rural stop-controlled intersection
Nicole Oneyear, a research engineer at the Institute for Transportation (InTrans), recently led an Iowa Local Technical Assistance Program (LTAP) webinar that discussed the results of a study that evaluated driver behavior at rural stop-controlled intersections using the Second Strategic Highway Research Program (SHRP2) Naturalistic Driving Study (NDS).
But why this type of intersection? According to Oneyear, stop-controlled intersections make up approximately 30% of all crashes in rural areas. They also make up about 6% of all fatal crashes. One reason for such a high fatality rate is because of higher-than-average speeds (often 1.6x to 2x faster). More

2022 Iowa Build a Better Mousetrap winners named

Closeup, edge view of Madison County's shop clean-up squeegee
What do a shop clean-up squeegee, cold mix placer, and salt/sand spreader lifting jig all have in common? They’re all three innovative projects undertaken this year in Iowa counties, for one. They’re also winning entries in the 2022 Iowa Build a Better Mousetrap (BABM) Competition.
The winning entries—from first to third—are the secondary roads departments in Madison County with the shop clean-up squeegee, Jones County with the cold mix placer, and Linn County with the sand/salt spreader lifting jig. The winning counties were initially recognized at the ICEA Mid-Year Conference in July and will receive a plaque at the Iowa Streets and Roads Conference in September. Congratulations to them all! More

News Briefs

InTrans graduates land jobs with major firms, startups See Story
CP Tech Center’s Peter Taylor earns award from Expanded Shale, Clay, and Slate Institute See Story
CP Tech Center's Steve Tritsch retires See Story

Recent InTrans Research

August 2022

Assessment, Repair and Replacement of Bridges Exposed to Fire Damage Aug 2022
Guidance to Reduce Shrinkage and Restrained Shrinkage Cracking Aug 2022


July 2022

Exploration and Evaluation of High-Resolution Imagery for Environmental Assessment Jul 2022
2021–2022 Iowa LTAP Work Zone Safety Sign Package Program Jul 2022


June 2022

Implementation of Recommendations for Eliminating Longitudinal Median Joints in Wide Bridges Jun 2022 
Non-Invasive Sensor Deployment in Aurora Member States Jun 2022 
Iowa DOT Data Management Plans Jun 2022 
Evaluation of Penetrating Sealers for Concrete Jun 2022


May 2022

Alternative Project Delivery Peer Exchange May 2022 
Implementation of Subsurface Utility Engineering for Highway Design and Construction May 2022
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Institute for Transportation
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From traffic safety to big data and from preservation to education, InTrans focuses on research and service that impact transportation now and into the future.

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