About the Department of Transportation
King County’s Department of Transportation is committed to helping people travel around the region. Serving 1.6 million people in an area covering more than 2,000 square miles, it:
- Provides King County residents with bus service, paratransit, carpool assistance, vanpools, and other alternatives to driving alone;
- Creates programs and facilities for pedestrians, bicyclists, and horseback riders in King County;
- Works with other King County jurisdictions and organizations to plan transportation investments;
- Designs, builds, operates, and maintains roads and bridges in unincorporated areas of King County; and
- Provides vehicles, equipment, maintenance, and supplies to all departments in King County government.
The department is made up of five divisions and has about 5,000 employees who provide a wide range of transportation services to people who live, work, shop, play, or travel in King County. In addition, the department works in partnership with 35 cities within King County and also with many subregional, regional, and state groups.