See detailed information for ELR GWA. Mileage Features 13M 0990y 13M 1100y 13M 1320y 13M 1540y 14M 0000y 14M 0220y 14M 0440y 14M 0660y 14M 0880y 14M 1100y 14M 1320y former Gwaun-Cae-Gurwen Branch Jn 14M 1540y 15M 0000y 15M 0220y 15M 0440y 15M 0660y 15M 0880y 15M 1100y 15M 1320y 15M 1540y 16M 0000y 16M 0220y Gwaun Cae Gurwen Viaduct 16M 0440y 16M 0660y 16M 0880y 16M 1100y 16M 1320y 16M 1540y 17M 0000y 17M 0220y 17M 0440y 17M 0660y 17M 0880y 17M 1100y 17M 1320y 17M 1391y