The project was completed in May 2013 and the redoubling of the track has increased the capacity on the line to allow for more services and allowed for more trains to stop at Gowerton station.
Ni chyrhaeddwyd y targed ym mis Mawrth 2023 ac ym mis Mehefin roedd 13 o arbenigeddau eraill â llwybrau’n aros mwy na dwy flynedd, sef 3,144 o lwybrau, sy’n gynnydd o 72 o’i gymharu â’r mis diwethaf.