Iowa State University Institute for Transportation

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CTRE

Center for Transportation Research and Education

CTRE||Completed

CTRE / Jul 30, 2018

sTEP Maps

Prepared crash severity maps for 174 sTEP agencies and seven corresponding summary tables.

Latest News

CTRE / Apr 20, 2026

Happy trails to you: CTRE develops Trail Management Program

CTRE / Apr 13, 2026

REACTOR Lab develops methodology to detect wrong-way driving incidents

CTRE / Apr 13, 2026

InTrans project provides data-driven driver education materials and recommendations

Center for Transportation Research and Education

2711 South Loop Drive, Suite 4700
Ames, IA 50010-8664

T 515-294-8103

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About
- About CTRE
- People
Focus Areas
Programs
Research
- Completed
- In-Progress
Publications
Resources
News
Events
Contact

Copyright © 1995-2026, Iowa State University of Science and Technology. All rights reserved.

Non-discrimination Policy
Privacy Policy
Digital Access & Accessibility

About About CTRE People Focus Areas Programs Iowa Pavement Management Program (IPMP) Iowa Traffic Safety Data Service (ITSDS) Sustainable Transportation Systems Program (STSP) Research Completed In-Progress Publications Resources REACTOR Lab SHRP 2 – Roadway Information Database Traffic and Safety Informational Series News Events Contact

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