CTRE

Center for Transportation Research and Education

CTRE||In-Progress

CTRE / Jul 30, 2018

Iowa State Patrol

Provided shapefiles for the Iowa State Patrol Area B & C crashes, 2007-2016.

Latest News

CTRE / Jun 29, 2026

SWZDI project develops tool for work zone performance analysis

CTRE / Jun 15, 2026

Iowa Transportation Commission visits InTrans

CTRE / Apr 20, 2026

Happy trails to you: CTRE develops Trail Management Program
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