WMATA - Metrorail System - http://www.wmata.com/riding/using_metro.cfm Maps, station information, and how to use the Washington Metro.
Washington, D. C. - http://www.washingtonpost.com/wp-srv/local/longterm/metro/uchoose.htm Metrorail Resources page provided by the Washington Post (commercials included).
StationMasters - http://www.stationmasters.com/System_Map/system_map.html Features detailed maps and panoramic photos of all neighborhoods served by the Washington, DC Metrorail subway system.
D.C. Underground - http://www.clouse.org/ Information about existing subway tunnels, including those no longer in daily use. Also features information on local heavy rail structures and the U.S. Capitol building's subway.
NYCSubway.org: Washington D.C. Transit - http://www.nycsubway.org/us/washdc/ Gives an in-depth look at the Metrorail system, from fare collection to signal systems to station architecture. Provides historical timeline, station-by-station guided tour, photos, maps, and links to similar sites.
Please Stand to the Right - http://www.standtotheright.com/ Sells T-shirts and other merchandise urging tourists to stand on the right side of Metro escalators.
Building the Washington Metro - http://chnm.gmu.edu/metro/ Describes the planning, engineering, architecture, construction, and operation of the subway system in text and photos.
DCRails.com - http://dcrails.com Uses Google Maps to find the closest Metrorail stop to a given address.
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