The Washington State Department of Transportation/Eastern Region is based in Spokane, Washington. We build and maintain the state-owned highway system over a seven county region in the northeast portion of the state.

Engineering and support services are located in Spokane. Engineers design and manage highway construction projects and inspect the work of private contractors to ensure that projects are built to specifications.

The Maintenance Division has four areas with offices in Spokane, Colfax, Davenport, and Colville. Maintenance crews are based in equipment sheds throughout the seven county region. Maintenance is responsible for the day-to-day upkeep of the system, as well as snow and ice control in the winter months.

The Eastern Region consists of seven counties:

• Adams
• Ferry
• Lincoln
• Pend Oreille
• Spokane
• Stevens
• Whitman
• portions of Franklin county

Number of State Highway Miles Throughout the Eastern Region:
All Region State Highways
Centerline Miles = 1,566.82
Lane Miles = 3,654.18

State Highway Surface Types

State Highway Bridges

314 Total Bridge Structures

State Highway Traffic Signals (Operated by WSDOT)

*There are also 5 span wire flashers located within the Eastern Region.

Top Five Causes of Highway Accidents

1. Excessive Speed 29%
2. Following Too Close 17%
3. Failure To Yield Right of Way 16%
4. Inattention/Asleep at the Wheel 11%
5. Driving While Intoxicated 9%

Top Five Collision Types

1. Rear End 27%
2. Hit Fixed Object 17%
3. Entering At Angle 12%
4. Overturn 10%
5. Sideswipe 8%

Highway Accidents by Surface Condition

1. Dry Pavement 68%
2. Wet  13%
3. Snow 10%
4. Ice 9%

Licensed Drivers by County

Licensed Cars & Trucks by County