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A vibrant Seattle through transportation excellence Grace Crunican, Director

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Arborist and Trees
Bicycle Program
Bridges & Roadway Structures
Commute Trip Reduction
Freight Program
Landslide Response and Repair
Parking
Pedestrian Program
Pothole Repairs
Residential Parking Zone Program (RPZ)
Right of Way Management
Special Events with Traffic Impacts
Street Use & Permits
Traffic Cameras
Traffic Control
Traffic Signals
Unauthorized Encampment Property
Urban Forestry

SDOT Services

The Seattle Department of Transportation (SDOT) mission is "to create and maintain for Seattle a safe and reliable transportation system which enhances neighborhoods, the environment and the economy." Everything the department does is aimed at enhancing mobility, our vision is, "to be the most innovative and responsive transportation agency in the region." The viability of our neighborhoods and the health of our region's economy are dependent upon access and mobility.

SDOT is responsible for maintaining and improving our streets, bridges, traffic signals, bicycle routes, sidewalks, and balancing multiple uses.

SDOT is responsible for a wide variety of transportation services including:
  • Road and sidewalk maintenance
  • Permits for on-street parking, construction and street events
  • Traffic signs and pavement markings
  • Traffic signals and traffic safety
  • Construction planning and policies
  • Pedestrian and cycling issues
  • On-street parking management
Fast facts
  • 4,230 lane miles of roads
  • 2,000 miles of sidewalks
  • 463 stairways
  • 150 bridges
  • 975 signalized intersections
  • 4,663 pedestrian crosswalks
  • 120,000 signs
  • 28 miles of bike trails
  • 90.5 miles of signed bike routes
  • 800 traffic circles
  • 30,000 street trees
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