A Proceed AspectAny Signal Aspect which permits the driver to pass the Signal. More in a Colour Light SignalA Signal that conveys its information by coloured lights. More, or the arm of a Semaphore
SignalA visual display device which conveys instructions or provides prior warning of instructions regarding the driver’s authority to proceed. More or Disc SignalA Shunting Signal or Subsidiary Signal consisting of a small disc which rotates to indicate a change of Aspect. More inclined at 45 degrees or more, or Distant SignalA Signal (not itself a Stop Signal) capable of displaying a Cautionary Aspect that informs the driver of the state of the Signals or Level Crossing ahead. More other
than at its most restrictive aspectAny valid visual indication of a Signal as displayed to the driver. More.