Derry Port and Harbour Commissioners' Railways. ...
 

The 'Modern Tramway' Journal of September 1963 had a short article about the Harbour Tramways in Derry, written by J.H. Price. ...

http://rogerfarnworth.com/2023/09/10...ways-railways/

Friday 31st August, 1962, saw the closing of the dockside dual-gauge tramways of the Port and Harbour Commissioners in Derry.