Handbook of Simplified Practice for Traffic Studies

school crossing

All files are in pdf format. To read them you may need to download the free Adobe Acrobat Reader.

This project was sponsored by the Iowa Department of Transportation and the Iowa Highway Research Board.


Cover, Table of Contents (110k pdf)

Glossary of Terms (20k pdf)

Introduction (22k pdf)

Traffic Studies:

Spot Speed (498k pdf)

Traffic Volume Counts (583k pdf)

Sight Distance (430k pdf)

Crash Analysis (1.25 MB pdf)

School Zone Program (1.26 MB pdf)


  1. Spot Speed Study Data Forms (24k pdf)
  2. Traffic Volume Count Intersection Tally Sheet (31k pdf)
  3. Sight Distance Diagram Form (20k pdf)
  4. Crash Analysis Field Observation Report, Software Instructions, and Guidelines (6 MB pdf)
  5. Project Work Order (Contracting Out) (12k pdf)


CTRE is an Iowa State University center, administered by the Institute for Transportation.

Address: 2711 S. Loop Drive, Suite 4700, Ames, IA 50010-8664

Phone: 515-294-8103
FAX: 515-294-0467

Website: www.ctre.iastate.edu/

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