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Island County Public Works - Roads Division has the responsibility of engineering, construction, maintenance and administration of the Island County Road System as defined in RCW  36.75 - 36.88. This includes all 525 miles of County Roads (approximate). It does not include any of the State Routes or the City of Langley and Town of Coupeville streets. A maintenance agreement is in place with the City of Oak Harbor that covers a few streets.

The Roads Department is one of the County's largest departments. The daily tasks are numerous and can vary greatly in nature. The one common point associated with all of the Roads Department activities is the County Road System. RCW 36.82.070 specifically restricts the use of any Road Funds to road related projects only.

This website is designed to help you better understand the various functions of the Roads Department and assist you with any related issues. We hope that you will find this helpful.


2015 - 2020 Island County Transportation Improvement Program (TIP)

2015 Annual Construction Program

Access Permits


Asphalt Fact Sheet

Call Before You Dig

Chip Seal Fact Sheet

Concurrency Permit

Herbicide Spray Program

Mapping Center

Oversize and Overweight Permits

Report Problems

Snow Plow and Ice Control

Speed Limits

Storm Water Management Standards


Small Works Roster

Traffic Counts

Road Vacation

Utility and Cable Info.

Work in County Right of Way Permit


If you have any questions or comments regarding Island County Public Works, please contact Bill Oakes, Island County Engineer / Public Works Director, 360 679 7331.