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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 / Jul 30, 2026

InTrans students win international Transportation Technology Tournament

CTRE / Jun 29, 2026

SWZDI project develops tool for work zone performance analysis

CTRE / Jun 15, 2026

Iowa Transportation Commission visits InTrans

Center for Transportation Research and Education

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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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