Indian Trails is a bus company operating routes around the state of Michigan. It is the operator for two services in Ann Arbor. The AirBus is an airport shuttle organized by the Michigan Student Assembly for transportation to Detroit Metro Airport at student breaks. The Michigan Flyer is scheduled transportation to Detroit Metro Airport, Jackson, and East Lansing, with 8 trips a day
The Ann Arbor Transportation Authority, which had contracted its A2Chelsea Express service to Indian Trails, brought the service in-house in 2010.