PHOTO PLATFORM 4 EAST CROYDON LOOKING NORTH. TAKEN PRINCIPALLY BECAUSE OF THE ARRAY OF SIGNS ON THE LEFT. THE 8 OR 9 CAR STOP IS OBVIOUS. THE 'RLU' SIGNS ARE SPECIFIC TO CLASS 700 UNITS WHERE FOR REASONS I CAN'T FULLY UNDERSTAND THE DRIVING POSITION IS UNSUITABLE FOR USING THE NORMAL CAR STOP SIGNS WITH SUFFICIENT ACCURACY.