C-3 travels from East Campus to the Science Dr. corridor and does not stop at the West Campus bus stop. The C3: East Science provides full service to all westbound and eastbound stops (Monday through Friday; 8:05 a.m. through 4:50 p.m.). The C3: Class Change bus provides express service limited to westbound stops.
Visit this page for details: http://parking.duke.edu/buses_vans/bus_sched/c3.php
For general information call the Duke University telephone operator at (919) 684-8111