MD Route 2 connects with U.S. 50/301; MD Route 4 connects with U.S. 301 and the Capital Beltway (I-495). The Thomas Johnson Bridge over the Patuxent River connects MD Routes 2/4 in the southern part of the county with MD Routes 5/235 in St. Mary's County.
Traffic Volume Maps
View the Maryland Department of Transportation's Traffic Volume Maps by County.
Calvert County is served by 3 major airports:
- Baltimore-Washington International (BWI) Thurgood Marshall Airport is located between Baltimore and Washington, D.C.
- Dulles International Airport (IAD) is located west of Washington, D.C.
- Reagan Washington National Airport (DCA) is located adjacent to Washington, D.C.
Calvert County also has one local airport, St. Mary's County Regional Airport, which is located southeast of Washington, D.C.
|Airport||Travel Time||Contact Information |
|Baltimore-Washington International (BWI)||1 hour, 6 minutes||800-435-9294|
|Dulles International (IAD)||1 hour, 25 minutes||703-572-2700|
|Reagan Washington National (DCA)||51 minutes||703-417-8000|
|St. Mary's County Regional||45 minutes||301-373-5416|
Calvert is served by one of the nation's largest seaports, The Port of Baltimore, with a 50-foot channel (64 miles from Prince Frederick). It is the only port in the United States that can be reached by 2 distinct routes. Its sea lanes remain ice-free throughout the year. It is a leading U.S. automobile and break-bulk port with six public terminals including the state-of-the-art Intermodal Container Transfer Facility (ICTF).
The closest rail depot (CSXT) is in adjacent Prince George's County at Upper Marlboro, approximately 30 minutes away.