[3] The King's Wharf line opened on 24 February 1919 to serve Bass Strait steamers.

The Mowbray, Newstead and High Street lines were lengthened 1937, with the network reaching its maximum of 13.8 miles.

The King's Wharf line closed in December 1947 when the steamer Taroona began berthing at Beauty Point because of the Tamar River silting.

[1][5][6] For the commencement of operations, 14 single-truck trams were bodied locally by J&T Gunn with Brush Electrical Engineering, Loughborough supplying the trucks.

In 1930 three drop centre bogie trams were bodied at the Invermay Road depot.