The Greenbelt–Twinbrook Line, designated Route C2 or C4, are daily bus routes operated by the Washington Metropolitan Area Transit Authority between Greenbelt station (C2) or Hyattsville Crossing station (C4) of the Green and Yellow Lines and Wheaton station (C2) or Twinbrook station (C4) of the Red Line of the Washington Metro. Both lines operate every 15 – 20 minutes during peak hours, 12 – 24 minutes weekdays and Saturdays, while the C2 runs every 45 – 55 minutes on Sundays and the C4 runs every 12 minutes on Sundays and 30 minutes late nights daily. Trips would take roughly 60 – 70 minutes for both routes. On Sundays however, the C2 is shortened to operate between Takoma Langley Crossroads Transit Center and Greenbelt Station, which takes 30 minutes. Both lines connect northern Prince