1120 SW Fifth Ave, Suite 800, Portland, OR 97204
How to use a bicycle signal in Portland.
Tips for getting the traffic signal to change as a bicyclist
Signal Engineer District Map
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.