The Pennsylvania Department of Transportation, also known as PennDOT, is a part of the Commonwealth of Pennsylvania. The department offers online driver and vehicle services. It provides utility relocation solutions. The Pennsylvania Department of Transportation s Bureau of Aviation offers airport planning, programming and environmental assessment support services. The department provides financial and technical assistance to railroads and businesses. It supervises state-assisted rail rehabilitation and construction projects through the review of construction specifications, contract proposals and estimated costs. The Pennsylvania Department of Transportation administers the Rail Freight Assistance Program (RFAP). The department s Welcome Center provides information about the state s cultural, historical, private and scenic attractions.