1120 SW Fifth Ave, Suite 1331, Portland, OR 97204
The SSL design checklist provides a guide for signals, street lighting, and ITS designers to create plans that meet City SSL requirements.
Guidance for designing traffic signals in the City of Portland
A guide for using Portland's first pedestrian scramble intersection.
How to use a bicycle signal in Portland.
Tips for getting the traffic signal to change as a bicyclist
How to use pedestrian traffic signals.
Maintenance, modification, and repair of traffic signals.
Location criteria, installation procedures, evaluation criteria, and locations.
Flashing lights alert motorists to the 20 MPH speed limit in a school zone.
View the traffic signal district map and district engineers (Updated May 2019).