31. In 1886 the Mersey Railway Tunnel was opened, providing competition for the ferry services. 32. It is the only railway tunnel ever constructed in Nebraska. 33. The first railway tunnel was opened on November 15, 1942. 34. The Grum was once the entrance to a former railway tunnel , now long defunct. 35. An old railway tunnel just outside the village is used as a mushroom farm. 36. Both facilities were served by an underground railway tunnel and underground ammunition storage galleries. 37. The main work here was the Khojak Tunnel and was the longest railway tunnel . 38. To the west the land is higher, around 90m where the railway tunnel runs. 39. Below the mountain pass there is a system of railway tunnels connecting Mukachevo and Stryj. 40. An under-construction railway tunnel collapsed in Sydney Wednesday trapping 14 people underground, ambulance officers said.