Ruling Gradient - Other Tunnels

Other Tunnels

  • ( in order of steepness)
  • Dove Holes Tunnel 1 in 90 - 1.11% - 1865
  • Connaught Tunnel 1 in 105 - 0.95% - 1916 - double track
  • Woodhead Tunnel 1 in 201 - 0.50% - 1845
  • Combe Down Tunnel - - - - - 1874 - fume problems

Read more about this topic:  Ruling Gradient