 The company was a wholly owned subsidiary of The Provincial Tramways Company.The route ran alongside the London Road (now A3) throughout and traces can still be seen as extra-wide pavements in several locations, and the abutments of the old bridge over the Southwick Road in Cosham.From 1924 through running onto Portsmouth Corporation tramlines was introduced with the light railway trams running firstly to the town hall and later to Clarence Pier and finally to South Parade Pier.