Rimutaka Tunnel The first shot was fired in 1948 when the Public Works Department started the tunnel with bores of at the western end and at the eastern end. A contract for completing the tunnel was let to a consortium of Morrison Knudsen Inc. and Downer and Company on 7 May 1951. The work commenced at the west end in July 1951 and at the east end in August. The contract was expected to be completed in four years, but the headings met on 20 April 1954 with the concrete lining finished a month later. New Zealand Railways took possession of the
Yimbun Railway Tunnel cuttings that form the approaches on the north and south sides of the tunnel extend for approximately and approximately respectively. Yimbun Railway Tunnel was listed on the Queensland Heritage Register on 27 November 2008 having satisfied the following criteria. The place is important in demonstrating the evolution or pattern of Queensland's history. The Yimbun Railway Tunnel is important surviving evidence of the Brisbane Valley Branch Rail Line. Development of Queensland's branch rail network, which began in the 1880s, was vital for the development of the colony through opening land for closer settlement and freighting produce and resources to Queensland's major