The nearest station on the Orange Line is Farragut West (about 2 blocks from the main World Bank building). The nearest station on the Red Line is Farragut North (about 3 - 4 blocks from the main building). For more information about the Washington, DC metro, see Washington Metropolitan Area Transit Authority.
Most trains arriving to Washington, DC arrive at Union Station. To get to the World Bank, either take a taxi or take the Red Line Metro from Union Station to Farragut North. From there, it is about 3 - 4 blocks to the main World Bank building. For more train information, see Amtrak.
Airports - Driving Directions (Directions provided by Mapquest)