Traffic Control & Maintenance | City of Sammamish

City of Sammamish Traffic Division is responsible for the maintenance and operation of City intersections, streetlights, and road pavement markings. This includes:

26 signalized intersections
about 550 streetlights
50 school zone flashers
over 200 miles of road pavement markings

Additionally, they respond to requests for road-safety improvements, manage multiple traffic-related programs, and provide support on Capital Improvement Projects.

Report Traffic Signal outage or emergency - weekdays 8:30 a.m. - 5:00 p.m.

(425) 295-0500

Contact us for non-emergency traffic safety concerns:

My Sammamish

After-hours traffic signal outage or emergency:

(425) 295-0700

Report traffic enforcement and police matters:
King County Sheriff's Department