Conserving Resources: An Introduction to Michigan's Carpool Lots The Michigan Carpool Parking Lot Program (sometimes referred to as Park and Ride) was initiated during the energy crisis of the early 70s. At that time, the scarcity of fuel accompanied by rising transportation costs encouraged many motorists to begin carpooling on a wide-scale basis. Lacking adequate and convenient parking facilities, carpoolers parked alongside roads, on private property or in commercial parking lots...