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
Otford railway tunnel 8 original tunnels on the Illawarra line from Waterfall to Clifton. The Otford Railway Tunnel, the seventh after Waterfall, was the final major engineering project which permitted the linking up of the northern part of the Illawarra Line to the isolated southern part in 1888. The Otford Railway Tunnel opened on 3 October 1888. The single line connection was made at (old) Stanwell Park Station (now bypassed by the 1915 Stanwell Park Deviation). The tunnel was built of brick arched form and when built was the largest and steepest (5,985 feet long - 1824m - and 1 in 40 gradient)