Wash. Rev. Code § 81.104.120
(2) A county may use funds collected under RCW 81.100.030 or 81.100.060 to contract with one or more transit agencies or regional transit authorities for planning, operation, and maintenance of commuter rail projects which:
[ 1993 c 428 s 2; 1992 c 101 s 24; 1990 c 43 s 33.]