The King of Prussia Transit Center is located at the King of Prussia mall next to the former JCPenney. A mall entrance adjacent to the transit center provides access to the lower level.[1][2] The transit center has an interior waiting area attached to the former JCPenney that has seating, a vending machine, SEPTA Key Fare Kiosks, bus schedules, and a system map.[2][3] The interior waiting area is accessible 24 hours a day.[3] Additional bus shelters are located along the sidewalk running parallel to the roadway serving the transit center.[2]
The Route 123 bus runs daily from the transit center to the 69th Street Transportation Center in Upper Darby, providing express service.[7] The Route 124 bus provides daily service to Center City Philadelphia and to Chesterbrook, with express service between Center City Philadelphia and Gulph Mills. Some Route 124 trips only run between Center City Philadelphia and the transit center.[8] The Route 125 bus runs daily to Center City Philadelphia and to Valley Forge, running express between Center City Philadelphia and Gulph Mills. Some Route 125 trips only run between Center City Philadelphia and the transit center.[9] The Route 139 bus provides service Monday to Saturday from the transit center to Limerick.[10]