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.