Cities that operate transit systems, county transportation authorities, metropolitan municipal corporations, public transportation benefit areas, high capacity transportation corridor areas, and regional transit authorities may submit an authorizing proposition to the voters and if approved may impose an excise tax of up to two dollars per month per employee on all employers located within the applicable jurisdiction, measured by the number of full-time equivalent employees, solely for the purpose of providing high capacity transportation service. The rate of tax shall be approved by the voters. This tax may not be imposed by:
RCW 81.104.150