Roads Central

COVID-19 Response Alert


With the emergency closure of the County Administration Building in March 2020, the public is urged to perform all Snohomish County Public Works business by phone or through email. Staff will respond as promptly as possible, 8 a.m. to 5 p.m., Monday through Friday.

 Topic  Email | Web Page  Phone
Road Maintenance (potholes, vegetation control, sign damage, flooding) Email | Web Page 425-388-7500
Roads Central (construction projects, engineering projects, etc.) Email | Web Page 425-388-7623
Road Records and Permits (right-of-way permits and survey documents) Email | Web Page 425-388-6453
Traffic Operations (traffic signals, signs and traffic calming devices) If signal is out, call 911. Email | Web Page
Comment Form
425-388-6420 
More ... see our Services/Contacts page and FAQs

Snohomish County Roads

Snohomish County Public Works is responsible for the planning, design, construction and maintenance of the transportation infrastructure system in unincorporated Snohomish County. Department staff takes care of 200 bridges and 1,650 miles of roadway. Laid end-to-end, the roads would reach from Everett to Green Bay, Wisconsin


Traveling County Roads


County Transportation Maps


Doing Business with Public Works

Traffic Management


 Traffic Data and Mitigation


Transportation Planning