Coordinated Highways Action Response Team (CHART) - A joint effort of the Maryland Department of Transportation and the Maryland State Police, in cooperation with other federal, state and local agencies to improve "real-time" operations of the highway system. Includes local traveller information with current status on incidents.

Maryland Aviation Administration (MAA) - The owner and operator of Baltimore/Washington International Airport (BWI) and Martin State Airport. Information about the MAA, community relations, regional aviation, permits and forms, and construction.

Maryland Department of Transportation (MDOT) - Traveler information, road reports, aviation standards, and employment information.

Maryland Motor Vehicle Administration (MVA) - Locations and hours, online vehicle registration form, list of vehicle emissions inspection stations, and motorist consumer information.

Maryland Port Administration (MPA) - Port of Baltimore history, facilities, land usage, construction and news.

Maryland Traffic Safety - An unofficial website providing maps, pictures, factbooks, and some recent data trends in safety.

Maryland Transit Administration - Provides a network of transit, rail and freight services, including MARC train, Metro subway, and bus services. Schedules, fares and passes, discounts, and news.

Maryland Transportation Authority (MDTA) - Responsible for managing, operating and improving the State's toll facilities. Rates, electronic toll collection, MDTA police and I-95 master plan study.

Port of Baltimore - Offers tracking of trucking, equipment booking and containers at the Dundalk, Seagirt, and South Locust Point Terminals.

State Highway Administration (SHA) - Traffic conditions, maps, road safety, and contract and employment opportunities.