engineering works between Swansea and Cardiff. i saw rail grinder did late running 4Q01 from the Swansea District line to carmarthen sidings, 197017,197018 did 2E04 from carmarthen to Swansea, 150240,153922 did 2E05 from carmarthen to Swansea, 800031 did 1B06 from Swansea to carmarthen, 197018 did 1B96 from Swansea to Fishguard Harbour crossover with 197106 did 1E57 from carmarthen to Swansea, 197017 did 1B10 from Swansea to milford haven crossover with 150257,158837 did 2E07 from carmarthen to Swansea, 153922,150240 did 2M37 from Swansea to Shrewsbury