Transportation

General / Airports / Motor Vehicles / Travel, Traffic & Weather

General

Amtrak

Metro ( Washington Metropolitan Area Transit Authority)

Prince George's County Department of Public Works and Transportation
Has links to Call a Bus, Call a Cab, Commuter Connections, Marc, Metrobus/Metrorail, Park and Ride and TheBus.

Airports

Baltimore/Washington International Thurgood Marshall Airport

Dulles International

Reagan National Airport

Motor Vehicles & Transportation

Maryland Department of Transportation

Maryland MVA (Motor Vehicle Administration)

Travel, Traffic & Weather

CHART (Coordinated Highways Action Response Team) on the Web
CHART provides information for local travelers (live traffic video, real-time traffic maps), information on winter storms and other operations of Maryland's highway system.

Washington Post.com - Traffic