Detroit is trying a pilot project to encourage people to use bikes for the first or last short leg of a bus trip.
Up to 2,000 people who buy bus passes in Detroit can get a free MoGo pass for the month. MoGo is the non-profit bike share company in the city.
Rory Lincoln is Director of Operations for MoGo. He says there are all sorts of ways the bikes can come in handy - like a short bike ride instead of waiting for a bus transfer - or a way to get closer to work when the bus doesn't take you all the way.
"They (bus riders) might walk across the street, hop on a MoGo as opposed to walking," he says.
MoGo currently has 430 bikes at 43 stations across the city. The monthly bike passes are usually $18 a month, $5 for those receiving public assistance.
Lincoln says Detroit doesn't have a lot of hilly roads, so the three speed bikes are usually easy to ride around town. The seat is adjustable so people of different heights can use the bikes (although people have to bring their own helmets).
MoGo staff monitor each bike docking station during the course of the day to make sure there are always bikes for people to use.