Wash. Rev. Code § 43.21C.501
(2)
(a) Transportation. A project action pertaining to residential, multifamily, or mixed-use development evaluated under this chapter by a city or town planning under RCW 36.70A.040 is exempt from appeals under this chapter on the basis of the evaluation of or impacts to transportation elements of the environment, so long as the project is:
(i)
(ii)
(3)
(4) For purposes of this section:
[ 2022 c 246 s 4; 2019 c 348 s 6.]