Aviation planning

Learn about the statewide planning we are doing for aviation.

Aviation Economic Impact Study

See some details on our Aviation Economic Impact Study and access our economic impact mapping tool. 

State Capital Improvement Program

Find the Statewide Capital Improvement Program (SCIP) lists for our state's airports.

Washington Aviation System Plan (WASP)

The Washington Aviation System Plan studies the performance of Washington's entire aviation system.

 Website feedback: Tell us how we're doing.

Learn more about work zone safety

Slow down – lives are on the line.

Excessive speed was a top cause of work zone collisions in 2024.

Phone down, eyes up.

Work zones need our undivided attention.

It's in EVERYONE’S best interest.

96% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.