Penn Bus East and Penn Bus West operate Monday through Friday from 5:00 p.m. - 12:00 a.m. year round except for holidays observed by the University. Passengers from Penn, Drexel, University of the Sciences and University of Pennsylvania Health System (UPHS) can ride Penn bus es for free, provided they show their institutional ID card. For more information and schedules, please visit Navigating Penn Transit. Service may be impacted due to circumstances such as constructio n and inclement weather. The Penn Bus will pick up and deliver passengers only at designated Transit Stops on campus, and at certain intersections with a stop sign or traffic light along its off-campus route.