Liverpool Overhead Railway Southern Extension Tunnel

Southern Extension Tunnel
Southern extension tunnel portal at Herculaneum Dock, half way up a cliff face
Overview
Other name(s)Dingle Extension Tunnel
LineLiverpool Overhead Railway
LocationMerseyside
Coordinates53°22′48″N 2°58′14″W / 53.3801°N 2.9705°W / 53.3801; -2.9705
StatusDisused
StartHerculaneum Dock
No. of stationsDingle railway station
Operation
Opened31 December 1896 (1896-12-31) (passenger service)
Closed30 December 1956 (1956-12-30) (passenger service)
OperatorLiverpool Overhead Railway Company
TrafficSingle ended passenger rail with terminus station
Technical
Design engineerCharles Douglas Fox
Length0.5 miles (800 m)
No. of tracksDouble
Track gauge4 ft 8+12 in (1,435 mm)
Tunnel clearance19 feet (5.8 m)
Width25 feet (7.6 m)

The Liverpool Overhead Railway Southern Extension Tunnel, also known as the Dingle Extension Tunnel or variations thereof, stretches for half a mile from Herculaneum Dock to Dingle underground railway station, which was the southern terminus of the Liverpool Overhead Railway.