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 (UVX, OGX, and MVX), three light rail lines in Salt Lake County (TRAX), a streetcar line in Salt Lake City (the S-Line), a commuter rail service between Ogden and Provo via Salt Lake City (FrontRunner), six microtransit zones (UTA On Demand), as well as paratransit and vanpool services.

UTA is headquartered in Salt Lake City with operations and garages in locations throughout the Wasatch Front, including Ogden, Midvale, and Orem. Light rail vehicles are stored and maintained at yards at locations in South Salt Lake and Midvale. UTA's commuter rail equipment is stored and serviced at a facility in Salt Lake City. In , the system had a ridership of , or about per weekday as of .

History The Utah Transit Authority traces its roots to 1953 when several bus companies united to form the organization. Ironically, among the constitutive companies of the UTA was National City Lines, famous for its alleged cannibalization of American streetcar lines on behalf of General Motors. NSL had bought out and promptly decommissioned the electric trolleys operated by the Utah Light and Traction Company in Salt Lake City neighborhoods like the Avenues in the 1940s.

Throughout the 1950s buses became more and more unpopular, with low gas prices and subsidized construction of highways like Interstate 15. By 1960, bus ridership was only about one third the level of war-time Salt Lake, and the average age of riders was 14.

In 1969, the Utah State Legislature passed the Utah Public Transit District Act, which allowed individual communities to address transportation needs by forming local transit districts. UTA was subsequently founded on March 3, 1970, when the cities of Sandy, Salt Lake City, and Murray voted to form a transit district. Service was extended to Weber and Davis counties in 1973 and to Utah County in 1985. Today, the UTA's service area is over and covers six counties: Box Elder, Davis, Salt Lake, Tooele, Utah, and Weber.

UTA saw rapid expansion through the mid-1970s and 1980s. It strove to streamline the bus system, connecting the east and west sides of the Salt Lake Valley with east–west routes along 2100 South, 3300 South/3500 South, and 4500 South/4700 South, in 1975. Four bus routes to Granger, Hunter (which today comprise West Valley City), Kearns, Magna, and Tooele were also created the same year. Sunday service on 25 routes began in 1975, only to be removed in 1988. (Sunday service resumed in 2001.) In 1976, the UTA began offering ski bus service to Alta, Brighton, Snowbird, and Solitude ski resorts in Big and Little Cottonwood Canyons. Today, the UTA offers seasonal buses to those four resorts as well as Snowbasin Resort and Powder Mountain in Weber County and Sundance Resort in Utah County.

Since the turn of the century, the entire service area of UTA has seen bus route redesigns, beginning with Utah County in 2000. Weber and Davis Counties saw an overhaul of their bus routing in 2002. The largest and most comprehensive change in routing occurred in August 2007 in Salt Lake County, with the goal of increasing ridership by twelve percent. Prior to 2007, night service had different numbering and routing than regular daytime service. After the redesign, nighttime routes were to retain the same routing and numbering as their daytime counterparts. Routes were consolidated as well, with 69 routes reduced to 60. Fifteen-minute service during weekday daytime hours was extended from two to 11 routes, and all other routes in the system had 30-minute service during weekday peak hours at the very least. "Fast buses," which connected suburbs to the city and charged the same fare as local buses (as opposed to express buses, which required a higher fare), were also introduced and expanded. The redesign proposal was met with criticism, with low-income advocacy groups claiming that the redesign focused too heavily on commuters rather than the disadvantaged. The route redesign achieved its intended goal—from 2007 to 2011, bus ridership in the entire system increased from 77,500 to 88,700, an increase of 18 percent.

Beginning in 2010, a decline in funding that UTA was receiving from sales tax revenues resulted in service reductions. Fast bus trips were substantially reduced, with many fast bus routes being cut altogether. Saturday and night service saw cuts as well. The opening of two new TRAX extensions exacerbated bus route service cuts, especially in the western side of the valley; routes that previously traveled from the western suburbs to downtown would end at Green Line stations, with riders expected to complete the rest of their journeys via the Green Line. For the first time in 2010, there was no service on Memorial and Labor days. Service on those holidays was later restored, and as of 2020 UTA provides bus and rail service on most holidays with the exception of Thanksgiving, Christmas, and New Year's Day.

Amidst the service cuts and rail expansions, UTA struck a deal with Park City and Summit County to begin operating an express bus between Salt Lake City and Park City in October 2011. This express service was called PC-SLC Connect until High Valley Transit took over the route with its 107 service.

Services

Bus service

The Utah Transit Authority (UTA) operates fixed-route bus service throughout its six-county service area along the Wasatch Front. UTA's January 2026 Fast Facts listed 89 bus routes serving approximately 5,523 stops. The bus network includes local, express, seasonal ski, flexible-route, and bus rapid transit services. Most of these routes provide regular transportation throughout the day, while many are primarily commuter routes. Some are special services, such as ski routes that only operate seasonally.

Occasionally, the UTA will also offer service for special events or extend service on certain days of the year such as New Year's Eve. UTA regularly modifies or changes its bus routes, but whenever reasonably possible (other than temporary detours) limits the adjustments to Change Days. The majority of bus routes stay within the Ogden to Provo corridor, with limited service south to Santaquin, in Utah County, and north to Brigham City, in Box Elder County.

Bus rapid transit

The Utah Valley Express (UVX) line operates between Provo Central station and Orem Central station via Brigham Young University and Utah Valley University, utilizing a dedicated busway across most of the route located in the center median of University Parkway, University Avenue, and East 700 North. The line opened in August 2018 and uses 60-foot articulated buses with doors on both sides of the bus to load passengers from busway stations located in the center median.

The Ogden Express (OGX) line is a line between Ogden Central station and McKay-Dee Hospital, utilizing a dedicated busway that cuts through the campus of Weber State University and in the center median of Harrison Boulevard. On August 29, 2022, a short section of the line, entirely on the Weber State University busway opened. The rest of the line opened on August 20, 2023. The line uses 40-foot battery-electric buses.

The Midvalley Express (MVX) line operates between Murray, Taylorsville, and West Valley, connecting to the TRAX Red and Blue lines in Murray and Green Line in West Valley. MVX includes a station at the Taylorsville campus of Salt Lake Community College. The line opened on Spring Change Day (April 12) 2026. MVX uses electric buses, and station shelters feature artwork inspired by local landscapes, people, and culture.

UTA previously operated the 3500 South MAX line between Magna and the Millcreek TRAX station via West Valley City. The line was suspended in 2020 at the start of the COVID-19 pandemic and is now permanently discontinued.

Flex routes UTA has 14 bus routes that are allowed to deviate up to from their set route to pick up or drop off passengers. These "flexible" routes are called Flex routes and are indicated by the letter "F" at the beginning of the route number (e.g. F618). Flex routes combine the convenience of curb-to-curb service with regular fixed routes making them a viable option for many paratransit riders. Certain rules and restrictions apply to Flex routes: Only two deviations are allowed per trip; however, even with deviations, routes maintain a schedule and never depart designated stops early. Riding Flex routes costs the same as regular routes; however, the cost for deviations is an additional $1.25 (in addition to the regular fare). Deviations may be scheduled up to seven days in advance but not less than two hours prior to travel time and can be made by calling 801-BUS-RIDE (801-287-7433) between 8:30 a.m. and 3 p.m.

Ski service UTA operates a seasonal Ski bus service to resorts in the Wasatch Mountains. As of 2026, the service connects riders with Alta, Brighton, Powder Mountain, Snowbasin, Snowbird, Solitude, and Sundance. Service generally begins in late November or early December and continues through late March or April, depending on resort operating seasons.

Current ski routes include route 972 (Brighton/Solitude/Midvale), route 994 (Alta/Snowbird/Sandy), Route 880 (Sundance/Provo), route 674 (Powder Mountain/Ogden), route 675 (Snowbasin/Ogden) and route 677 (Snowbasin/Layton).

Paratransit

Throughout its area of operation, UTA provides paratransit service in addition to its Flex routes for qualifying disabled passengers that are unable to, either temporarily or permanently, utilized the other transportation services provided by UTA (including bus service, TRAX, the S-Line, and FrontRunner). Although the cost to UTA for this service is substantial to UTA, the fare remains the same for passengers.

Paratransit fare is $4 for one-way curb-to-curb transportation. Riders must be pre-qualified to use the service.

Light rail

TRAX

Population growth and accompanying congestion led to the study of the feasibility of light rail in the Salt Lake Valley in the early 1990s. A 1993 initiative to use tax revenues to purchase an underutilized rail corridor for potential light rail use was rejected by Salt Lake County voters. The County Commission opposed increasing taxes for light rail and even hired a lobbyist to this end. Nonetheless, the Utah Transit Authority moved forward and was able to make the purchase using other available funds.

UTA also lobbied for funding and in August 1995 won $240 million from the federal government as part of the budget for I-15 reconstruction. The light rail system was called TRAX. This federal grant amounted to over two-thirds the cost of the Blue Line to Sandy, and further bills would fund a second line to the University of Utah. Salt Lake City's successful bid to host the 2002 Winter Olympics gave the light rail project some priority over transit projects in other cities competing for federal funds; Secretary of Transportation Federico Peña explained, "The Winter Olympics in Salt Lake are not just Salt Lake's Olympics. They are the nation's Olympics." Nonetheless, UTA's cost-effective light rail project merited the support of the Federal Transit Administration and would have been funded and constructed regardless of the Olympics.