[3] In 1978, Park City enacted a transit tax and carried 165,000 passengers during its winter season.
Four years later, in 1982, the first full-size buses enter Park City Transit's fleet, with UDOT later providing federal funding.
In 1991, Park City Transit bought Gillig Phantoms to become compliant with the Americans with Disabilities Act of 1990.
Later, in 2002, Park City Transit began bus service to Kimball Junction in order to meet demand for the 2002 Winter Olympics.
In 2017, Park City Transit ordered six Proterra Catalysts as part of its new 10 White "Electric Express" route.
[8] In April 2024, the Park City Council discontinued their contract with High Valley Transit to provide microtransit, citing high costs, long wait times, and users using the service while fixed public transportation was readily available.
[9] On October 14, 2024 Park City Transit unveiled new liveries for their buses in an effort to promote free public transportation.