Cars pass through a construction site at the intersection of Grant Road and Alvernon Way in Tucson on Feb. 23, 2026.
Getting voters to approve a transportation sales tax for Pima County was expensive because it was initially unpopular, according to Connect Pima, the group behind the yes campaign for Propositions 418 and 419.
Proposition 418 consisted of the Regional Transportation Authority’s 20-year plan for the county, called RTA Next, . The ballot measure re-authorized a 0.5% sales tax to fund it…