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King County Washington home

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 2025 (58MB 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

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