1 took its maiden journey along the world’s first public railway line, which linked the mining works at south Durham with Stockton-on-Tees via Darlington in north-east England. The replica, first built in 1975 for the 150th anniversary, has been restored by the International Heritage Railway Consultancy . The original Locomotion No. It has been a museum exhibit since 1857, now on show at Locomotion , a museum in Shildon—a town on the original route. So many little things we now take for granted were first made possible by rail Steve Davies, Locomotion No.