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CTRE

Center for Transportation Research and Education

CTRE||Completed

CTRE / Jul 30, 2018

Crash History

Crash history of the Iowa 21 in Keokuk County (1995-2000)

Latest News

CTRE / Apr 04, 2025

InTrans educator workshops earn state recognition

CTRE / Apr 02, 2025

CTRE researchers find NCHRP success

CTRE / Mar 31, 2025

Reactor Lab research helps snowplows stay on the road

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 © 1995-2025, 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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