Washington District of Columbia (også kendt som Washington, D.C., eller blot Washington) er USA's forbundshovedstad, der ligger indeklemt mellem de to stater Maryland og Virginia. I 2017 var der 693.972 indbyggere i Washington, D.C. Byens forstæder ligger i Maryland og Virginia. Der bor over 9 millioner mennesker i Washington-Baltimore området.

Washington State Ferries (WSF) is a government agency that operates automobile and passenger ferry service in the U.S. state of Washington as part of the Washington State Department of Transportation.It runs ten routes serving 20 terminals located around Puget Sound and in the San Juan Islands, designated as part of the state highway system.The agency maintains the largest …