Signal boxes are some of the best-loved icons of Britain’s historic railways. Dave Goulder recounts how he saved the redundant Ardgay Signal Box from “death row”.

"Dave, Dave, do you know – they’re going to burn the Ardgay Signal Box? They’ve smashed and burned the boxes in Tain and Dingwall; Ardgay is next.” This anxious call from a friend in Tain was enough to send me scurrying down. . .