Thurgoland Tunnel

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Thurgoland Tunnel is on the Penistone Line between Penistone ad Wortley.

It was opened in 1845 on the Sheffield, Ashton-Under-Lyne and Manchester Railway between Manchester Store Street and Sheffield.

It is characterised by a curve of sixty chains radius on a gradient of 1 in 131. Because of the difficulties in laying it out, it consists of a series of straight sections in a series of erratic curves varying from 100 to 20 chains. Maximum clearance was only obtained by reducing the normal six foot speacing between the tracks.

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