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

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Iowa State University--Becoming the Best

Revision to the SUDAS Traffic Signal Standards - Phase 2


Principal investigators:

Co-principal investigator:

Project status


Start date: 03/01/11
End date: 08/30/12


Report: Revision to the SUDAS Traffic Signal Standards - Phase 2 (3.81 mb pdf) June 2012


Sponsor(s): Iowa Department of Transportation

About the research


This report provides a summary of the updates to the traffic signal content within the Iowa Statewide Urban Design and Specifications (SUDAS) Design Manual Chapter 13 and Standard Specifications Division 8. Major focal points included pole footing design, cabinets and controllers, monitoring systems, communications systems, and figure updates.

This work was completed through a project task force with a variety of participants (contractors, Iowa Department of Transportation, city traffic engineers, consultant, vendors, and University research and support staff).