Celebrating the disused tunnels, bridges, viaducts and cuttings of the UK and Ireland and its predecessors with words and pictures. Disused railway tunnels lie dormant across the Welsh landscape, but there are some who want to breathe new life into them. It is thought that the Rhydyfelin Tunnel , … Strange as it may seem, there are almost as many disused railway tunnels in the Sydney area as there are ones in use. Only those that still exist - even if now buried - are listed. 406. Securing a future for one of England’s longest disused railway tunnels. Private and narrow-gauge railways are also welcome. Lost within the undulations of Britain’s varied landscape are upwards of 600 railway tunnels which were stripped of their operational status as circumstances changed. 2. Parc Menai Tunnelswas examined in 2013 after massive underground cannabis growing bunkers were found hidden inside the disused railway tunnels. ... Tunnels which were opened out either during or after the railway's period of operation are excluded. This is a list of road, railway, waterway, and other tunnels in the United Kingdom.. A tunnel … (g) length determined using historical maps and Google Earth's measuring tool ~ Disused tunnels database: Current total: 630. Some of these have great scale and a compelling story to tell. Graeme Bickerdike. 12th July 2018.