EntityQ2602185· pop 16· linked from 342 articlesBlue LineSign in to saveWashington Metro rapid transit lineConnectionsInterstate 66EntityCapital BeltwayEntityThe Washington PostEntityRobert F. Kennedy Memorial StadiumEntityOrange LineEntityYellow LineEntitySilver LineEntityL'Enfant PlazaEntityFranconia–Springfield stationEntityWashington, D.C.EntityVirginiaEntityMarylandEntityInternational Standard Book NumberEntityrapid transitEntityUnited States CongressEntityInternational Standard Serial NumberEntityThe PentagonEntityAlexandriaEntityPotomac RiverEntityArlington CountyEntityCategories1977 establishments in Washington, D.C.750 V DC railway electrificationAirport rail links in the United StatesBlue Line (Washington Metro)Railway lines opened in 1977