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Road Services in unincorporated King County

24/7 Road Helpline

24/7 Road Helpline

Call us for help at 206-477-8100 or 1-800-527-6237 with road maintenance and traffic safety issues in unincorporated King County — 24 hours a day

Project and planning resources

Active capital projects

Access a map and list of active capital projects in unincorporated King County.

Projects and programs

Find a comprehensive list of Roads' projects and programs.

Plans and reports

Access Roads' plans and reports.

Research tools

Map and Record Center

The Map and Record Center is a repository for documents associated with the establishment and construction of roads in unincorporated King County.

Map Vault

Search the Map Vault database to access scanned images of road-related documents including road construction plans, road establishment documents, and survey drawings.