Signal W168 at the north end of Wimbledon station in south London can be set to allow passage onto a straight ahead route (a green light with no other indication, as in the photograph) or one of two diverging routes, in which case a row of 5 white lights at on top of the signal arranged in a line at an angle of either 45° or -45° from vertical. The V-shape of these diverge indicators resulted in the nickname "rabbit ears" for this type of signal.

Photo by Chris McKenna 24/10/2005.
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