The Lime Line is a three-bus line departing from Mell Street Station beginning at 7 a.m. and concluding at 6 p.m. Approximate bus-stop times are based on 18-20 minute intervals. To determine your approximate total travel time, add the times between your origin and your destination. Click on map to view a larger, printable pdf version. Stop Travel Time Between Stops   1. Mell Street Station 0 min.   2. The Reserve on South College 9 min.   3. Auburn Trail 3 min.   4. RBD Library 6 min.   1. Mell Street Station 1 min.