Sapperton Railway Tunnel

Railway tunnel in Gloucestershire, England

The Sapperton Railway Tunnel is a railway tunnel near Sapperton, Gloucestershire in the United Kingdom. It carries the Golden Valley Line from Stroud to Swindon through the Cotswold escarpment. It was begun by the Cheltenham and Great Western Union railway in 1839 and taken over by the Great Western Railway in 1843, being completed in 1845. There are actually two tunnels, the main one at 1 mi 104 yd (1.704 km) in length, and separated by a short gap, a second at 353 yd (323 m).

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