8 Interesting Facts about Signal Boxes

1.┬áIn its familiar form, a raised structure with large windows enabling signalman to maintain a look-out, the signal box evolved in the early 1860s from huts and towers housing policeman. 2. Signal boxes were an integral part of the ‘block’ system which was introduced gradually between the 1860s and the 1880s to ensure that there was an interval of space (or block) between trains running over the same length of track. 3. The signal box as we know it todayRead more