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
Dularcha Railway Tunnel from the ridge. They do not appear to restrict the use of or deny access to Rose's Road. Dularcha Railway Tunnel was listed on the Queensland Heritage Register on 24 September 1999 having satisfied the following criteria. The place is important in demonstrating the evolution or pattern of Queensland's history. The Dularcha Railway Tunnel is significant as part of the original formation of the track between Brisbane and Maryborough. The Tunnel provides evidence of the importance of the railway as a means of transportation, and its expansion north, in the late 1880s. Dularcha Railway Tunnel is significant for its association