Archive of the Cambrian Coast Line Action Group comprising papers created and collected during the campaign to prevent the closure of the Cambrian Coast railway line between machynlleth and Pwllheli and to improve services an the line along with the archive of the Welsh Railways Action Group, formed in 1971 to co-ordinate between various railway campaigns in wales and to campaign for improvements to the Welsh railway network as a whole and papers and publications relating to local rail campaign groups in west Wales, along the Heart of Wales line and in the Wrexham area.

Papers relating to the campaign to prevent the closure of the Cambrian Coast line and for improvements to the the infrastructure of the line and train services. The files include correspondence with supporters, British Rail, Members of Parliament, local authorities and government departments, minutes of meetings, publicity material, press coverage, reports, statistical and financial information, papers relating to television and press coverage.

Papers of the Welsh Railways Action group including minutes, correspondence, newspaper cuttings, publicity material, submissions to consultations and policy documents relating to the core campaign to retain, improve and expand the railway network in Wales as well as papers relating to various local campaigns on specific routes and stations. The series includes correspondence with government departments, members of parliament, local authorities, British Rail and supportive individuals as well well detailed plans for new and improved rail services and media coverage of the campaign.