Hunsbury Hill Tunnel

Southbound unit entering north portal of Hulsbury Hill Tunnel

Hunsbury Hill Tunnel is a railway tunnel on the Northampton Loop Line of the West Coast Main Line. The tunnel runs in a straight line from the Briar Hill district of the town of Northampton (north portal: 52°13′20″N 0°54′56″W / 52.2221869°N 0.915454°W / 52.2221869; -0.915454), England about north by east to the West Hunsbury district south of the town (south portal: 52°12′47″N 0°55′10″W / 52.213037°N 0.9193325°W / 52.213037; -0.9193325). The tunnel has a single bore with twin tracks and is 1,152 yards (1,053 m) long.^[1] It is about 1 mile south of Northampton railway station and the next station south is Wolverton. The tunnel opened together with the rest of the loop line in 1881.^[2]

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