Forest of Dean Railway on a contiguous line built by the GWR. Newnham was the main line junction station, although some branch trains ran through to Gloucester. As motor bus services became dominant, the passenger services became unprofitable and they were withdrawn in 1958. The network was closed completely in 1967 as mineral traffic ceased. The Forest of Dean Coalfield had long been a source of mineral working, for iron ore and coal. Free Miners had statutory rights in the Forest, which protected them from external competition. However this limited the extent to which large scale operations could be undertaken. A number of short
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