An estimated 5.2% of American workers commute on public transit. Larger, denser cities often require comprehensive public transportation systems that can reduce residents’ dependence on automobiles and help decrease traffic congestion, air pollution, and in some cases, travel time. In the Louisville/Jefferson County metro area, 1.9% of workers commute on public transit, smaller than the national share and highest in the state.

One indication of a good transit system is an economically diverse ridership. In Louisville/Jefferson County, the typical public transit commuter earns $20,407 a year, roughly 56% of the $36,277 median earnings of commuters who drive to work alone in the metro area. Nationwide, the median earnings of public transit commuters is 89% of the earnings of workers who drive alone to work.

There are a number of benefits to public transportation. Riders save money, get more physical activity, and, on some routes, may even save time. On average, those who take public transit in Louisville/Jefferson County take 19 minutes longer getting to work than those who drive. Nationwide, taking public transit adds 25 minutes to the average commute.

In the city of Louisville, the largest urbanized area in the Louisville/Jefferson County metro, the Transit Authority of River City runs public transportation. In total, the TARC handles 15.0 million passenger trips per year, making it one of the larger public transit agencies nationwide. The average resident of the city travels 62 miles and takes 15 trips on public transit a year, making the Louisville public transportation system one of the largest and most utilized in the country.