Looking through the south portal of Catesby Tunnel, Northamptonshire, in March 2007. Part of the Great Central Railway London Extension, it is almost 3,000 yards long and dead straight. Note the light at the end of the tunnel (sorry!)

Location: Catesby Tunnel

Original line: London Extension (Great Central Railway)

Photographer: John McIntyre

Contact photographer: John McIntyre

Contact editor

Date: 23/03/2007

Image number: 14199

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