The straight line between the mid-point of the driver’s eyes and the aspectAny valid visual indication of a Signal as displayed to the driver.
or Element. (The length of this line could, in principle, be measured with a
rangefinder.)
The site for Miniature and model signalling!
The straight line between the mid-point of the driver’s eyes and the aspectAny valid visual indication of a Signal as displayed to the driver.
or Element. (The length of this line could, in principle, be measured with a
rangefinder.)