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The '''Metrorail''', often referred to as the Metro, is the public subway system in [[Washington, D.C.]] It began operations in 1976. The subway system consists of five "lines": the Red, Orange, Green, Blue, and Yellow lines. This makes maps easy to follow visually, although some colorblind passengers have experienced problems differentiating between some of the colors. A Silver line is planned for the future. The stations and trains are known for being clean and tidy.

The '''Metrorail''', often referred to as the Metro, is the public subway system in [[Washington, D.C.]] It began operations in 1976. The subway system consists of five "lines": the Red, Orange, Green, Blue, and Yellow lines. This makes maps easy to follow visually, although some colorblind passengers have experienced problems differentiating between some of the colors. A Silver line is planned for the future. The stations and trains are known for being clean and tidy.