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 Harbour Bridge and 6,000 people celebrated a picnic on the bridge accompanied by live music. The event was repeated in 2010. Although originally scheduled again in 2011, this event was moved to Bondi Beach due to traffic concerns about the prolonged closing of the bridge. On 19 March 2012 the 80th anniversary of the Sydney Harbour Bridge was celebrated with a picnic dedicated to the stories of people with personal connections to the bridge. In addition, Google dedicated its Google Doodle on the 19th to the event. The proposal to upgrade the bridge tolling equipment was announced by the NSW Roads Minister