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
Transport in Sydney in the 2010s The Western Harbour Tunnel & Beaches Link is a planned north-south motorway between Frenchs Forest in the Northern Beaches and the WestConnex motorway at Rozelle in the Inner West. The four-lane motorway is planned to be 14 km long. The Sydney Harbour Bridge and Sydney Harbour Tunnel corridor currently carry 80 percent of all vehicles crossing Sydney Harbour and the Parramatta River. The new tunnel would reduce pressure on the existing infrastructure by providing another harbour crossing. The New South Wales Government pledged $77 million in funding to evaluate the design and construction feasibility of the project. The Western Sydney