Railways in Sydney on 9 December 1926 with the first suburban electric service running between Central station and Oatley on the Illawarra line. In the same year, the first underground railway was constructed north from Central station to St James in Sydney's central business district. Electric trains that had previously terminated at Central station continued north, diving underground at the Goulburn Street tunnel portal, stopping at Museum station and then terminating at St James. Other lines were soon electrified. Also, in conjunction with the construction of the Sydney Harbour Bridge which opened in 1932, an additional four-track underground line was constructed from Central
Tyne Bridge Institution of Civil Engineers, joining in 1927; in addition to her contribution to the Tyne Bridge, she served as part of the team for the Sydney Harbour Bridge and the Lambeth Bridge in London. The bridge was completed on 25 February 1928, and officially opened on 10 October by King George V and Queen Mary, who were the first to use the roadway, travelling in their Ascot Landau. The opening ceremony was attended by 20,000 schoolchildren who had been given the day off. Movietone news recorded the speech given by the King. The Tyne Bridge's towers were built of Cornish