The West Croydon - Wimbledon line had sections of single line as here and also used 2EPBs with headcode 2 Keith Larkin adds the missing details 'This is Merton Park on the Wimbledon - West Croydon line looking towards Wimbledon. The signal to the right with the ring is for the truncated Merton Abbey branch which joined here and at this time was goods only having lost its passenger service back in 1929 I believe'