Mitcheldean Road & Forest of Dean Junction Railway Dean Railway branch at Whimsey. The capital was £30,000 in £10 shares, and there were borrowing powers for £10,000. The GWR was authorised to subscribe up to half the capital. Five years were allowed for completion of the line; there was no mention of carrying passengers. The engineer's estimate for construction was £28,268, no stations being envisaged. The company was authorised to enter into agreements with the GWR for working and maintaining the line. By the time of the Act, the Hereford, Ross and Gloucester Railway line was standard gauge but the Forest of Dean Railway branch was still broad
Forest of Dean Railway services in country districts began to be a real cause of competition for the railway. The GWR was seeking methods of catering economically for light passenger traffic, using steam railcars. These consisted of a passenger coach into which was built a four-wheeled steam locomotive, duplicate driving controls being provided at the opposite end from the locomotive. The very limited power of the small traction unit was always an issue, and on the steeply graded Forest of Dean Railway section it proved impracticable. Instead higher capacity units known as auto-trains, consisting of a tank locomotive coupled to one or two coaches