Summit railway station, Wellington Region Summit railway station, Wellington Region Summit railway station was at the summit of the Wairarapa Line over the Rimutaka Ranges in the Wellington region of New Zealand’s North Island and was where trains were marshalled for a descent down the Rimutaka Incline or for Fell locomotives to be extricated from a train that had ascended the Incline. The station was between Kaitoke and Cross Creek stations on the Wairarapa Line. The station was bypassed when the Rimutaka Tunnel was opened. Summit had no platform or other passenger facilities, did not consign goods or otherwise serve any settlement save for the
Rimutaka Tunnel five-span 91 metres (300 ft) bridge across the Mangaroa River and two underpasses near Maoribank. There is a tunnel of 539 metres (1767 ft) near Maoribank, but on the eastern side where two short tunnels (220 metres (11 chain) and 180 metres (9 chain)) had been proposed through a spur it was cheaper to lengthen the line by 140 metres (7 chain) and have open cuttings. The construction of the Rimutaka Tunnel consumed: The first locomotives to work through the tunnel were the 560 kW DG class - the tunnel was too long for steam locomotives, making the Wairarapa Line