That year saw the closing to passenger traffic of the Portland branch and the complete shutdown of the line to Abbotsbury. SHORT LIFEThe next closure was in 1920, when Wimborne ceased to be a junction for the Somerset and Dorset line. The Somerset and Dorset Railway (Image: Supplied)READ: Somerset to Dorset's lost railway line closed 60 years agoThe halts were at Corfe Mullen, Spettisbury, Charlton Marshall, and Durweston. On May 2, 1964, Wimborne, once the most important railway centre in Dorset, was off the railway map as far as passengers were concerned. The Somerset and Dorset, the main line of which connected Poole with Bath and Bristol, was no mere branch route.