Skip to main content

Traffic/Road Engineering

We use traffic crash data and traffic counts to improve safety and efficiency of our roads. We also maintain Intelligent Transportation Systems (ITS), signs, and pavement markings. We provide design and review services for capital projects throughout Washington County. Engineering staff reviews all road improvement construction plans for work in County rights-of-way.

Most of our services are available remotely - online, by phone or via U.S. Mail - 24 hours/day, seven days a week. In-person Services: Appointments required at the Walnut Street Center. See Office Locations and Business Hours.

Slow down in North Plains

A new traffic pattern, with lowered speed limits, will go into effect on Gordon Road-Mountaindale Road beginning Wednesday, January 21.

Slow down and be alert while drivers adjust to the changes.

STOP SIGN CHANGES:

  • North Road: ALL traffic must stop at the intersection of Gordon Road and Mountaindale Road, including before making right turns. Rolling right turns are no longer allowed.
  • Gordon Road: Traffic will continue through the intersection without stopping.

NEW SPEED LIMITS:

  • 35 mph on Gordon Road from 150 feet south of Vadis Road to North Road
  • 40 mph on Mountaindale Road from North Road to 100 feet west of Old Pumpkin Ridge Road

Why these changes? Washington County studied the intersection to improve safety. The Oregon Department of Transportation approved the speed limit reductions after requests from Washington County, the City of North Plains and the members of the community.

These changes are expected to help drivers and cyclists move more safely and effectively.

Questions or suggestions? If you have a question or want to request improvements to traffic safety on Washington County roads, contact our Traffic Division.

Request a Road Service
Request a Road Service

Report potholes, overgrown vegetation, damaged signs, streetlight and traffic signal issues and other road and traffic-related concerns.

Request a service

As Builts
As Builts Icon

See drawings of record from road projects and developments in Washington County.

See As Builts

Road Design & Construction Standards
Road Design & Construction Standards Icon

View technical engineering design and construction requirements for public improvements.

View standards