The Utah Transit Authority provides over 100 bus routes, including local and express service for Salt Lake and Utah Counties, local service for Davis and Weber Counties and Brigham City, and interurban routes. The system covers 1,400 square miles (3,600 km2) and, in 2009, provided 22 million bus trips.
The fleet contains more than 600 buses including hybrid-electric, ski, coach, and paratransit buses.