A short distance out of Portbury Dock in Bristol, the freight-only branchline passes along an embankment across the River Avon floodplain. The river, tidal at this point, runs in the muddy ditch above the train. At 1243hrs on Tuesday 25 February 2025, DB Cargo loco no. 66652 heads 6Z53, the Portbury Automotive Terminal to Margam loaded steel working. Seen from the deck of the M5 Avonmouth Bridge.