The Riggs Road Line, designated as Routes R1 & R2, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Fort Totten station of the Red, Green and Yellow Lines of the Washington Metro & Adelphi (R1) or Calverton (R2). Routes R1 & R2 operate every 20 minutes during peak hours and route R2 operates every 35-60 minutes at other times on weekdays, and 60 minutes on the weekends. R1 trips are roughly 32 minutes and R2 trips are roughly 55 minutes.