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.

Highlights from the Gray Notebook

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.