The Utah Transit Authority (UTA) is a public transportation agency serving the Wasatch Front of Utah, in the United States. Its service area covers parts of Box Elder, Weber, Davis, Tooele, Salt Lake, and Utah counties. The UTA operates fixed route buses, flex route buses, express buses, ski buses, three bus rapid transit lines, three light rail lines in Salt Lake County (TRAX), a streetcar line in Salt Lake City, a commuter rail service between Ogden and Provo via Salt Lake City (FrontRunner), six microtransit zones, as well as paratransit and vanpool services.