Wash. Rev. Code § 47.68.390
(1) The aviation division of the department of transportation shall conduct a statewide airport capacity and facilities assessment. The assessment must include a statewide analysis of existing airport facilities, and passenger and air cargo transportation capacity, regarding both commercial aviation and general aviation; however, the primary focus of the assessment must be on commercial aviation. The assessment must at a minimum address the following issues:
[ 2005 c 316 s 1.]