Rimutaka Tunnel fire suppression equipment, following the Pike River Mine disaster enquiry. Initially New Zealand DC class locomotives were used for the Wairarapa Connection, then from 2015 the DFB version of the New Zealand DF class locomotive (1979). The tunnel is used for freight from the Wairarapa to Wellington, notably logs from local pine forests and wood products from the Juken New Zealand Ltd timber mill at Waingawa, just south of Masterton. Rimutaka Tunnel The Rimutaka Tunnel (officially Tunnel 2, Wairarapa Line) is a railway tunnel through New Zealand's Remutaka Range, between Maymorn, near Upper Hutt, and Featherston, on the Wairarapa Line.
Deliktaş Tunnel end of 2011, all construction works were finished. Following the installation of signalization facilities, and completing the test runs with freight trains, the tunnel was put into service in late 2012. The tunnel was drilled by the New Austrian Tunnelling method (NATM). With its length of , the Deliktaş Tunnel is Turkey's longest single track railway tunnel. The tunnel is wide and has a clearance of . It is also the only railway tunnel of the country, which features built-in lighting, ventilation and firefighting facilities. The automated lighting system controls tunnel lights installed at every through motion detectors. According to