Signal WS55 at the north end of Harrow & Wealdstone station (DC lines). The position light signal with the special surround controls moves into the turnback siding ahead. A London Underground train can be seen in the siding. In the foreground, the sign beneath the "Car Stop" marker reminds drivers to check the signal aspect, in an effort to prevent SPADs. (Photo taken 25 June 2002.)

---