Transportation in Utah

Vehicles, public transit, airports, traffic and commuting.

Households without a vehicle
4.5%
2024 · Census American Community Survey 1-year estimates
Workers commuting by public transit
1.9%
2024 · Census American Community Survey 1-year estimates
Passengers boarded at Salt Lake City International Airport
12,892,409
2023 · Bureau of Transportation Statistics / FAA
Traffic fatalities
277
2024 · NHTSA Fatality Analysis Reporting System
Mean travel time to work
23.2
2024 · Census American Community Survey 1-year estimates
Bridges in poor condition
3.5%
2025 · FHWA National Bridge Inventory

Vehicles

Utah has about 2.4 million registered vehicles, with strong reliance on personal automobiles despite growing transit investment.

Households without a vehicle
4.5%
2024 · Census American Community Survey 1-year estimates

Households without a vehicle

2006–2024
4.5%

Census American Community Survey 1-year estimates, B08201 (2020 not released).

Public Transit

Utah Transit Authority operates TRAX light rail and FrontRunner commuter rail serving the Wasatch Front, with growing ridership as the region urbanizes.

Workers commuting by public transit
1.9%
2024 · Census American Community Survey 1-year estimates
Transit system
UTA TRAX & FrontRunner

Workers commuting by public transit

2006–2024
1.9%

Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).

Airports

Salt Lake City International Airport is Utah's primary air hub and a major Delta Air Lines hub, serving over 26 million passengers annually.

Passengers boarded at Salt Lake City International Airport
12,892,409
2023 · Bureau of Transportation Statistics / FAA
Passengers boarded at SLC
12,892,409
2023 · Bureau of Transportation Statistics / FAA enplanements.
Main airport
Salt Lake City International

Passengers boarded at Salt Lake City International Airport

2003–2023
12,892,409▲ 44%

Bureau of Transportation Statistics / FAA, enplanements at SLC.

Passengers boarded at SLC

2003–2023
12,892,409▲ 44%

Bureau of Transportation Statistics / FAA enplanements.

  • •Salt Lake City International Airport completed a $4.1 billion terminal rebuild in 2020-2024.

Traffic

Traffic congestion along Interstate 15 through the Wasatch Front has worsened with rapid population growth, ranking among the more congested corridors in the Mountain West.

Traffic fatalities
277
2024 · NHTSA Fatality Analysis Reporting System
Fatality rate per 100 million vehicle miles
0.8
2024 · NHTSA Fatality Analysis Reporting System
Key corridor
I-15 Wasatch Front

Traffic fatalities

1994–2024
277▼ 19%

NHTSA Fatality Analysis Reporting System (FARS), State Traffic Data.

Fatality rate per 100 million vehicle miles

1994–2024
0.77▼ 59%

NHTSA Fatality Analysis Reporting System (FARS), State Traffic Data.

Commuting Patterns

Average one-way commute time in Utah is about 22 minutes, slightly below the national average, aided by growing use of light rail (TRAX) and FrontRunner commuter trains.

Mean travel time to work
23.2
2024 · Census American Community Survey 1-year estimates
Workers who drive alone
67.7%
2024 · Census American Community Survey 1-year estimates
Workers who work from home
15.7%
2024 · Census American Community Survey 1-year estimates
Avg. commute time
22 minutes

Mean travel time to work

2006–2024
23.2▲ 12%

Census American Community Survey 1-year estimates, aggregate travel time ÷ workers not working at home, B08013/B08012 (2020 not released).

Workers who drive alone

2006–2024
67.7%

Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).

Workers who work from home

2006–2024
15.7%

Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).

IndicatorUtahU.S.
Avg. commute (minutes)2226.4

Infrastructure

Utah maintains about 45,700 miles of public roads, with ongoing major investments in I-15 expansion and the TRAX/FrontRunner transit systems.

Bridges in poor condition
3.5%
2025 · FHWA National Bridge Inventory
Bridges in good condition
21.0%
2025 · FHWA National Bridge Inventory
Total highway bridges
3,144
2025 · FHWA National Bridge Inventory
Vehicle miles traveled
35,974
2024 · FHWA vehicle miles traveled as published with NHTSA FARS

Bridges in poor condition

2000–2025
3.5%

FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).

Bridges in good condition

2000–2025
21%

FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).

Total highway bridges

2000–2025
3,144▲ 14%

FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).

Vehicle miles traveled

1994–2024
35,974▲ 99%

FHWA vehicle miles traveled as published with NHTSA FARS (fatalities ÷ fatality rate per 100M VMT).