Skip to main content
close

KingCounty.gov is an official government website.

Official government websites use .gov
Website addresses ending in .gov belong to official government organizations in the United States.
Secure .gov websites use HTTPS
A lock or https:// means you've safely connected to the .gov website. Only share sensitive information on official, secure websites.
King County Logo

Engineering services in unincorporated King County

Bridge engineers in a UBIT.

Bridge engineers in the bucket of an Under Bridge Inspection Truck (UBIT) check the underside of the Foss River Bridge outside Skykomish.

Bridges

Bridges in unincorporated King County

Internships

Road Services' Internship Program

Maps and records

Map and Record Center

Map Vault

Roadlog Index Maps 2022 (107MB PDF)

Services

Materials Lab

Road vacations

Survey monuments

Traffic services

Utility services

Standards

Computer Aided Drafting and Design (CADD) standards

Road design and construction standards

24/7 Road Helpline contact information

24/7 Road Helpline

Report road maintenance and safety issues in unincorporated King County 24 hours a day at 206-477-8100 or 1-800-527-6237.

Related topics

Projects and programs

Road Services' projects and programs in unincorporated King County

Road maintenance

Emergency, flooding, winter weather response, pothole repair, vegetation control and more

Traffic services

Radar speed trailers, safety reports and research, signs and more

Road Services

Access services provided by Roads in unincorporated King County
expand_less