Port of Baltimore
- Offers tracking of trucking, equipment booking and containers at the Dundalk, Seagirt, and South Locust Point Terminals.
- http://pob.mpa.state.md.us/

Maryland Port Administration (MPA)
- Port of Baltimore history, facilities, land usage, construction and news.
- http://www.mpa.state.md.us/

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.
- http://www.mtamaryland.com/

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.
- http://www.marylandaviation.com/

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.
- http://www.mdta.state.md.us/

State Highway Administration (SHA)
- Traffic conditions, maps, road safety, and contract and employment opportunities.
- http://www.sha.state.md.us/

Maryland Motor Vehicle Administration (MVA)
- Locations and hours, online vehicle registration form, list of vehicle emissions inspection stations, and motorist consumer information.
- http://www.mva.state.md.us/

Maryland Department of Transportation (MDOT)
- Traveler information, road reports, aviation standards, and employment information.
- http://www.mdot.state.md.us/

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
- http://www.chart.state.md.us/