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
East River Bridge (Sheet Harbour) 7. The access road to Sheet Harbour Consolidated School and Duncan MacMillan High School was slightly modified. A minor loop called Sprott Lane was extended along a part of the old Trunk 7 for a few households. There is no toll to access the bridge. The bridge opened on 17 December 2015, with a bridge walk, in which Sheet Harbour residents walked across the old bridge to commemorate its closure, then walked back across the new bridge signifying its opening. That same day, the new bridge was opened for pedestrians, and open to traffic the following day. The new bridge