
1) Railway tunnel in England
Found on
https://www.crosswordclues.com/clue/mersey-railway

The Mersey Railway was a passenger railway that connected the communities of Liverpool and Birkenhead, England, which lie on opposite banks of the River Mersey, via the Mersey Railway Tunnel from 1886 to 1948. The railway opened with four stations using steam locomotives hauling unheated wooden carriages; in the next six years the line was extende...
Found on
http://en.wikipedia.org/wiki/Mersey_Railway
No exact match found.