15 Tower Acres operates every 8 minutes Monday-Friday from 7:00 a.m. to 6:20 p.m. and a 20 minute frequency from 6:20 p.m. to 11:40 p.m. Destinations along the route include Circle of Pines, Tarkington Hall, Cary Quad, Ford Dining Court, Armstrong Hall, Electrical Engineering, Purdue Memorial Union, Krannert School of Management, Beering Hall, and P.U.S.H.
|Stop Code||Stop Name||Stop Schedule||Map & Next Departures||Text Message: 41411|
|BUS553||Circle Pines BUS553||Schedule||Maps & Departures||RT4 BUS553 15|
|BUS557||Physics BUS557||Schedule||Maps & Departures||RT4 BUS557 15|
|BUS217||Purdue Memorial Union BUS217||Schedule||Maps & Departures||RT4 BUS217 15|