Downtown Crossing station is two levels deep. The upper (Orange Line) level, which opened in 1908, stretches from Temple Place to Franklin Street under Washington Street. The lower (Red Line) level, which opened in 1915, reaches from Washington Street to Chauncey Street under Summer Street. Downtown Crossing is the second busiest subway station in the MBTA network (behind only ), with an average of 24,074 entries per weekday in FY2019. The Winter Street Concourse (opened in March 1979) allows access to the Green Line at without leaving the common paid area.