Initial work has been carried out on the damaged Cefn Bridge over the weekend, but more is required.
The long awaited start, nearly six months after the accident at the notorious black spot, was carried out on Friday and Saturday nights, but there is more to be done yet before it fully reopens.
Local County Councillor Amanda Jenner (who provided the picture) said: “I’m told that the permanent replacement of the barriers is due to start next week.”
Traffic lights have been causing delays on the busy main road since the accident which saw a lorry almost fall through the barrier onto the railway track below.