Hay-on-Wye railway station Hay-on-Wye railway station Hay was a railway station serving the town of Hay-on-Wye in Powys, Wales. Hay had one of the earliest railway stations in the country, being part of a horse-drawn tramway. The Hay Railway opened from the Brecon & Abergavenny Canal at Brecon to Hay on 7 May 1816. The line was opened from Hay to Clifford Castle on 30 July 1817. The line was not completed between The Lakes at Clifford and Eardisley until 1 December 1818 because of the problem of the river crossing at Whitney-on-Wye. The Hay Railway was sold in 1860 to the Hereford,
England–Wales border Shrewsbury, and Hugh d'Avranches at Chester, creating a new expansionist earldom in each case. In the Domesday Book of 1086, Norman lands are recorded west of the Wye at Chepstow and Caldicot in the Gwent Levels (); over the whole of north east Wales as far west as the River Clwyd, an area known to the Welsh as the "Perfeddwlad"; and west of Offa's Dyke, especially in Powys where a new castle was named, after its lord, Montgomery. Domesday Book no doubt records the extent of English penetration into Wales. This suggests that Offa's Dyke still approximately represented the boundary