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Maryland Department of Transportation - http://www.mdot.state.md.us/
Traveler information and reports. |
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DCRoads.net - http://www.dcroads.net/
Guide to the expressway, parkway, bridge and tunnel network in the Washington-Baltimore metropolitan area. Exit listings for area highways. |
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Roads to the Future - http://www.roadstothefuture.com/
Includes in-depth articles about many features. |
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Maryland Roads - http://www.mdroads.com
Route log. |
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A Trip Within the Beltway - http://wwwtripwithinthebeltway.blogspot.com/
Weblog documenting old and new plans in the Washington area. |