Provides commuter and local bus services to residents of Prince William County and the Cities of Manassas and Manassas Park; assists in the creation of vanpools, carpools and employer-based transportation incentive programs in those jurisdictions; helps to oversee Virginia Railway Express services in those jurisdictions plus in Stafford and Spotsylvania Counties and the City of Fredericksburg. PRTC is a regional consortium of local governments authorized under Virginia state law.