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
Sydney Sydney has undergone a rapid economic and social transformation. As a result, the city has become a cosmopolitan melting pot. To relieve congestion on the Sydney Harbour Bridge, the Sydney Harbour Tunnel opened in August 1992. The 2000 Summer Olympics were held in Sydney and became known as the "best Olympic Games ever" by the President of the International Olympic Committee. Sydney has maintained extensive political, economic and cultural influence over Australia as well as international renown in recent decades. Following the Olympics, the city hosted the 2003 Rugby World Cup, the APEC Australia 2007 and Catholic World Youth Day