Prohibits a regional transit authority from approving or adopting a final alignment, or selecting a preferred alternative, for a light rail station proposed to be funded in the regional transit system plan approved by voters in 2016, unless the city or county in which a proposed station is to be located has adopted the minimum density standards below.

Requires cities and counties to establish a minimum gross urban density of no less than one hundred fifty dwelling units per acre in areas designated for residential use and located within one-half mile of a light rail station.