Why would anyone want to install a turntable in a disused railway tunnel? To turn cars undergoing aerodynamic testing, of course. This view looks South near the North end of the tunnel; there is more wriggle room at the South portal. Incidentally, the centre of the tunnel now has a 200mph speed limit.
Location: Catesby Tunnel
Original line: London Extension (Great Central Railway)
Photographer: Ken Strachan
Contact photographer: Ken Strachan
Photosets: Great Central Railway
Date: 09/10/2021
Image number: 80033