Transportation Department 41880 John Mosby Hwy Aldie, VA 20105 Phone : (703) 327-6925 Business Category Port Authorities Virginia Commonwealth Of--transportation Dept Of, Loudoun County, Area Hdqtrs, Arcola Arcola, VA 20107 Phone : (703) 327-6925 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools