Swansea Canal
…from near Cwm Clydach railway station. The canal turned to the south, to run beside the river, and then to the south-west, where it ran parallel to the Swansea Vale Railway. The course of both is now marked by the A4067 road. Junction 45 on the M4 motorway is built over the route of the canal. At Tirpenry, the canal swerved…