London, England, UK - August 20, 2016: Night time maintenance works on the West Coast Main Line in north west London.
London, England, UK - July 5, 2008: A Docklands Light Railway metro train crosses the Regent's Canal at Limehouse Basin in the East End of London on a brick arch viaduct.
Cardiff, Wales, UK - July 19, 2019: A 2-car Pacer passenger train runs along the green banks of the River Taff at Radyr in the suburbs of Cardiff.