Amtrak
Official site for amtrak passenger trains featuring online reservations, ticket fare finder, trip planning resources, and the amtrak guest rewards program.
http://www.amtrak.com/
Subway System of Washington
Washington metropolitan area transit authority: using metro
http://www.wmata.com/
Virginia Railway Express (VRE)
Virginia Railway Express (VRE)
http://www.vre.org/
Washington Metro System Map
Washington Metro System Map
http://www.washingtonpost.com/wp-srv/local/longterm/metro/front.htm