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 obscure for several centuries after Roman period during the so-called Dark Ages, although at different times it may have been part of the Welsh kingdoms of Gwent and Ergyng, and the Beachley and Lancaut peninsulas east of the Lower Wye remained in Welsh control at least until the 8th century. Around 790 the Saxon King Offa of Mercia built his dyke high above the Wye, to mark the boundary with the Welsh. The Forest of Dean then came under the control of the diocese of Hereford. Throughout the next few centuries Vikings conducted raids up the Severn, but by the