Old Warden Tunnel
Encyclopedia
The Old Warden Tunnel is an abandoned tunnel near the village of Old Warden
Old Warden
Old Warden is a village and civil parish in Bedfordshire, England, just west of the town of Biggleswade. It has a population of 275. The village grew up under the protection of the Cistercian Wardon or Warden Abbey nearby....

 in Bedfordshire
Bedfordshire
Bedfordshire is a ceremonial county of historic origin in England that forms part of the East of England region.It borders Cambridgeshire to the north-east, Northamptonshire to the north, Buckinghamshire to the west and Hertfordshire to the south-east....

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History

The Tunnel was built as part of the Midland Railway connecting Bedford and Hitchin
Bedford to Hitchin Line
The Bedford to Hitchin Line was a branch of the Midland Railway which served stations at Cardington, Southill, Shefford and Henlow in Bedfordshire, England. It opened in 1857, but was largely made redundant as a through-route to London by the extension of the Midland Main Line to St Pancras...

, and from there to London
London
London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 between 1853 and 1857. Contrary to popular belief the line lost its passenger services before the cuts of Dr. Beeching, they were withdrawn on January 1st 1962 along with goods services between Hitchin and Shefford. Goods services between Shefford and Bedford succumbed to the Beeching Axe on December 28th 1964. Built of blue engineering bricks, the tunnel is ovoid in shape and runs at a very slight gradient to allow drainage; however, it is perfectly straight.

The tunnel has no blast relief ducts, due to its lack of curves and relatively short length, allowing good air passage. Regular niches were cut into the wall to allow maintenance on the permanent way during running hours. Finally, both portals were capped with stone and it covers a total length of 882 yards.

The tunnel today

The tunnel has lain derelict for over 40 years, but is in fair condition, with the Hitchin end back-filled to within 7 feet of the tunnel roof and the Bedford end bricked up with gratings for local bats. Entrance to the tunnel is not recommended, due to bats and standing water accumulation. The Bedford Portal is still visible in its cutting, but the Hitchin Portal is entirely covered in undergrowth.

Nature reserve

The land above the tunnel is managed as a nature reserve
Nature reserve
A nature reserve is a protected area of importance for wildlife, flora, fauna or features of geological or other special interest, which is reserved and managed for conservation and to provide special opportunities for study or research...

 by the Wildlife Trust for Bedfordshire, Cambridgeshire, Northamptonshire and Peterborough
Wildlife Trust for Bedfordshire, Cambridgeshire, Northamptonshire and Peterborough
The Wildlife Trust for Bedfordshire, Cambridgeshire, Northamptonshire and Peterborough is a wildlife trust covering the counties of Bedfordshire, Cambridgeshire, Northamptonshire and the City of Peterborough in England....

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The tunnel in fiction

The tunnel makes a brief appearance in Those Magnificent Men in Their Flying Machines
Those Magnificent Men in Their Flying Machines
Those Magnificent Men in their Flying Machines, Or How I Flew from London to Paris in 25 Hours 11 Minutes is a 1965 British comedy film starring Stuart Whitman and directed and co-written by Ken Annakin...

. This scene was filmed shortly after the tunnel had been closed to traffic, before the rails were lifted. The now-demolished Bedford Power Station can be seen in the far distance.
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