This photo was taken 10th April 1955 and shows a train about to enter the tunnel to Dingle Station. The location is approximately where Greens Leisure Club is today.
The following is taken from the Disused Stations in the UK website
The most famous closed railway in Liverpool is of course the Liverpool Overhead Railway.
Dingle Station, Toxteth Dock, Herculaneum Dock, Brunswick Dock, Wapping Dock and Canning being perhaps the most local. Other Liverpool disused stations also feature on the website
A site dedicated to Dennis John Norton a Birmingham photographer contains more photographs and insights into the railway.