 The Maryland Department of Transportation and several privately operated companies provide bus service during weekday rush hours between D.C. and more distant counties such as Anne Arundel, Calvert, Charles, Frederick, Howard, and St. Mary's in Maryland; and Fredericksburg, Loudoun, Prince William, and Stafford in Virginia.Higher education campuses in the area offer on-site and commuter transportation, such as the University of Maryland's Shuttle-UM.Union Station is a stop for many intercity bus lines, including Megabus, BoltBus, Greyhound Lines, OurBus, Peter Pan Bus Lines, and BestBus.