An authority shall have and exercise all rights with respect to the construction, acquisition, maintenance, operation, extension, alteration, repair, control and management of high capacity transportation system facilities that are identified in the system plan developed pursuant to RCW 81.104.100 that any city, county, county transportation authority, metropolitan municipal corporation, or public transportation benefit area within the authority boundary has been previously empowered to exercise and such powers shall not thereafter be exercised by such agencies without the consent of the authority. Nothing in this chapter shall restrict development, construction, or operation of a personal rapid transit system by a city or county.

An authority may adopt, in whole or in part, and may complete, modify, or terminate any planning, environmental review, or procurement processes related to the high capacity transportation system that had been commenced by a joint regional policy committee or a city, county, county transportation authority, metropolitan municipality, or public transportation benefit area prior to the formation of the authority.