Toadmoor Tunnel
Encyclopedia
Ambergate railway station
Ambergate railway station is a railway station owned by Network Rail and managed by East Midlands Trains Train operating company . It serves the village of Ambergate in Derbyshire...
as part of the North Midland Railway
North Midland Railway
The North Midland Railway was a British railway company, which opened its line from Derby to Rotherham and Leeds in 1840.At Derby it connected with the Birmingham and Derby Junction Railway and the Midland Counties Railway at what became known as the Tri Junct Station...
, which opened in 1840.
128 yards long, it was cut through an unstable hillside on a notoriously difficult line of route. George Stephenson
George Stephenson
George Stephenson was an English civil engineer and mechanical engineer who built the first public railway line in the world to use steam locomotives...
designed it with an elliptical shape so that it had least diameter vertically with most strength at the sides. Braced with steel hoops at its southern end. Due to unplanned earth movements, it took 15 months to build, instead of the planned two.
