The gradient profile maps inside Aviemore North Signal box in April 1980, showing some of the fierce gradients either side of Aviemore. For a great many years these necessitated double heading or banking engines.
Location: Aviemore
Original line: Inverness and Aviemore Direct Railway (Highland Railway)
Photographer: Peter Todd
Contact photographer: Peter Todd
Date: 04/1980
Image number: 76039