Blea Moor Tunnel
The 337th longest tunnel in the world
Blea Moor Tunnel is a 1+1⁄2-mile (2.4 km) railway tunnel located between Ribblehead Viaduct and Dent railway station in England. It is the longest tunnel on the Settle-Carlisle Line, being almost twice as long as the second longest tunnel, Rise Hill Tunnel.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).