Mangaroa railway station war. After the war the depot was a disposal site for surplus stores until RNZAF use ceased in July 1949, at which time it is assumed that the site was transferred to the NZ Army for their use. Prior to the construction of the Rimutaka Tunnel, several proposals for a tunnel under the Rimutaka Ranges to bypass the Incline section involved tunnels with a western portal to the north-east of Mangaroa station. In 1898 a survey was completed for a tunnel between Mangaroa and Cross Creek. The idea received a great deal of attention, but ultimately went nowhere as such
Otford railway tunnel is important in demonstrating the principal characteristics of a class of cultural or natural places/environments in New South Wales. Representative of late 19th century tunnels built by Rowe & Smith for the Illawarra line from Waterfall to Clifton. Otford railway tunnel The Otford railway tunnel is a heritage-listed former railway tunnel on the Illawarra railway line at Otford, City of Wollongong, New South Wales, Australia. It was designed by the New South Wales Government Railways, and built by W. Rowe and W. Smith (tunnel) and Mr. McDonald (vent shaft). The property is owned by RailCorp, an agency of the Government