has to travel from those valleys to Jersey Marine South Junction for reversal up the Rhondda & Swansea Bay Branch to Dynevor Junction immediately west of the swing bridge to then transit eastbound. Apart from some track at Court Sart Junction at Briton Ferry, the R&SB line or what is left of it, runs from Dynevor Junction to Burrows Sidings east of Kings Dock Swansea. References External links (photographs by Cedwyn Davies) Bridges in Neath Port Talbot Bridges completed in 1892 Railway bridges in Wales Swing bridges in Wales