The 14th Street Line, designated Routes 52, 54, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Takoma station of the Red Line of the Washington Metro and L'Enfant Plaza station (52) of the Blue, Yellow, Orange, Green, and Silver lines of the Washington Metro or Metro Center station (54) of the Red, Blue, Orange, and Silver Lines of the Washington Metro. The line operates at every 12 minutes frequencies during the day and 10-30 minutes during late night service. Trips roughly take 40-60 minutes to complete. Select trips begin/end at 14th Street and Colorado Avenue NW as well.