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About the Road Services Division

Traffic on 140th Avenue SE and SE Petrovitsky Road in unincorporated King County.

The Road Services Division is responsible for all county-owned roads, bridges and related infrastructure in the unincorporated area of King County.

As of January 1, 2019, Roads is part of the King County Department of Local Services. The Department also includes the Permitting Division and the Community Service Areas Program. The department director reports to the King County Executive, who is the elected executive officer of county government.

The Metropolitan King County Council, the legislative branch of county government, adopts laws, sets policies and holds final approval over the budget.

Road Services Director:  Tricia Davis

Facts and figures

This data is the King County Road Services Division’s (“Roads”) asset data for the calendar year. The information is updated annually and represents a moment in time. Asset inventory numbers can fluctuate slightly over time due to the addition of new assets and retirement of old assets.

 

 2021-2022 Roads Adopted Budget

Staff Capital Program Operating Budget Total
 394.5 $46.5M $241.3M $287M

 

 2023-2024 Roads Adopted Budget

Staff Capital Program Operating Budget Total
 434.6 $74.5M  $250.4M $324.9M

 

County Population

   2020 2023
Population of King County  2,153,700 2,190,200
Population of Unincorporated King County 
(Roads Service Area)
 247,060 247,240

 

County-Owned Assets


Maintained Center Lines
1469

Maintained Lane Miles
2965

Bridges
188

Street Lights
707


Traffic Cameras
57


Traffic Signals
79


Traffic Control Signs
47,322


Guardrails
119 miles

Sidewalk Miles
275

School Zone Flashers
149

Radar Speed Signs
46

Cross-walks
728

Drainage Pipe
3.4 million linear feet

 Drainage Ditch
4.6 million linear feet

Catch Basins
>27,637

Culverts
>28,525

Updated: February 2024


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