Swansea High Street seems an unusual place to see GWR railcar but they did work some services around there.

Keith Morris says "W13 was Landore allocated - in fact there were up to 5 allocated in the 1950s - No's 2 and 10-13. there were 3 Saturday's excepted and two Saturdays only workings - West to Pembrey and Carmarthen and east as far as Port Talbot, Porthcawl and Cheltenham"