Mangaroa railway station noticeable hump in Flux Road just before the T-intersection with Leonards Road, the site of a level crossing just before the station. Of the station itself only the loading bank remains, at the side of Flux Road. Mangaroa railway station Mangaroa railway station was a single-platform rural railway station on the Wairarapa Line between Upper Hutt and Featherston in the Wellington region of New Zealand’s North Island, on the section that was replaced by the Rimutaka Tunnel deviation in 1955. It served the small rural settlement of Mangaroa, in the Mangaroa Valley, east of Upper Hutt. Mangaroa station was not
Rimutaka Tunnel the former route's Pakuratahi Tunnel. The 117 metre (380 ft) high shaft was constructed after tests showed that the tunnel would not generate enough natural ventilation if diesel traction was used through the tunnel. Originally it had been envisaged that electric traction would be used by extending the 1500-volt DC overhead electrification beyond Upper Hutt to either Featherston or Masterton, but economic studies favoured diesel traction. The new formation included two crossing loops; at the new Maymorn Railway Station (116 wagons) and the Rimutaka Loop (95 wagons) at the eastern portal of the tunnel. There are four bridges including a