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
Dudley Railway Tunnel trains were still allowed to use the line. It finally closed to all trains on 19 March 1993, when the section of railway between Walsall and Brierley Hill was closed after some 150 years in use. A cable laying train passed through the tunnel on 1 July 1993 - nearly four months after the line was officially closed. The railway line through Dudley is scheduled to reopen in 2023 as part of an extension to the Midland Metro,although the Metro route would not include the railway tunnel. The reutilised line will also be designed to carry heavy goods trains, which