Traffic Signals-Myth or Reality; What they can or can not do. This brochure may help explain some of the facts about traffic signals.
Oregon Department of Transportation and Oregon Traffic Control Devices Committee, Traffic-Roadway Section. Contact the Traffic Engineering Services Unit, 503-986-3576.
Includes specifications for battery backup systems. Oregon Department of Transportation, Traffic-Roadway Section. Contact the Traffic Standards and Asset Management Unit, 503-986-3583.
Includes specifications for 19" rack mounted din rail assembly for VDSL & other communications systems. Contact the Traffic Standards and Asset Management Unit, 503-986-3583.
The purpose of these guidelines is to encourage uniformity in the location, operation, and maintenance of traffic signals in Oregon. Contact the Traffic Engineering Services Unit, 503-986-3576.
A guide for determining design and operation criteria related to railroad preemption at signalized intersections.
Traffic Signal Design Manual - (8 MB)
Traffic Signal Loop Layout Examples
|The pages contained within the Traffic Signal Design Manual are current at the time of publishing. Keep in mind that the reference material will be periodically updated, so the user is cautioned against using the reference materials included in the manual indefinitely.
Last update to the Traffic Signal Design Manual was Feburary 1, 2007.
If you have an older copy please download a new copy.
|The "Traffic Signal Loop Layout Examples" This is a 7 page guide that gives an in-depth look at intersection loop layout and loop wiring diagrams. |
|This document has been formally adopted by ODOT for all Traffic Signal designs. This document has been adopted by FHWA. ODOT will be reviewing all new, modified, and loop replacement traffic signal projects with this document as the minimum standard for approval of traffic signal plans.
Additional signal related information and publications may be found at the following discipline page: