Just come across this picture and I think it's the A29 coming out of Pulborough heading south for home. One of my favourite roads. I just love driving along it and then up Bury Hill and over the Downs.
Sunset at Durdle Door || "Durdle Door is a natural limestone arch on the Jurassic Coast near Lulworth in Dorset, England. It is privately owned by the Welds, a family who owns 12,000 acres in Dorset in the name of the Lulworth Estate. It is open to the public." wikipedia