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
Penang Bridge of the Sydney Harbour Bridge. In 1982, the construction of Penang Bridge officially began. The bridge was constructed by the Hyundai Engineering and Construction Company (Korea) Ltd from South Korea and the United Engineers Malaysia Berhad. During construction, a two-man made island at South Channel was created for the construction of the cable stayed bridge and the Gelugor coastline was reclaimed into cape for the construction of the Gelugor interchange. On 3 August 1985, the Penang Bridge was officially opened by the 4th Prime Minister of Malaysia's Tun Dr. Mahathir Bin Mohamad. He drove across the bridge in a red