Nelson – Blenheim line Extension of the Nelson Section through the Buller Gorge to the West Coast. Nelson to Cobden and Westport North Shore Line – from central Auckland (Britomart) to the North Shore, and extended northward on the route currently occupied by the Northern Busway Okaihau Branch – extension to Rangiahua and Kaitaia Opunake Branch – sub-branch from Kapuni to Manaia; extension to New Plymouth Otago Central Railway – extension to Wānaka Paengaroa – Rotorua line Paeroa–Pokeno Line Ross – Haast, including rebuilding to heavy rail of the Stewart and Chapman tramway to Lake Ianthe State Forest. Roxburgh Branch – connection from Roxburgh to the Otago Central Railway in Alexandra Sockburn-Styx deviation and industrial line. Taupō Railway Proposals – connections from Rotorua, Kinleith or Murupara branches Te Aro Extension – extension to Island Bay Waiau Branch – extension to Kaikoura Waimate Branch – extension of the Waihao Downs line Wainuiomata Branch – from the Hutt Valley section of the Wairarapa Line to the suburb. Wairau Valley Railway from Tophouse to Blenheim Westport to Charleston See also Hawera & Normanby Star| volume=LVII, 23 August 1910, Page 5 for a list of railways authorised, proposed and under construction, with estimated cost of completing them as at 1 April 1910, many of which were not built. Nelson – Blenheim notional railway The Nelson - Blenheim notional railway was created in November 1957 to help manage the political backlash from the 1955 closure of the isolated Nelson Section. between Nelson and Blenheim was deemed by law to be an NZR railway for the purposes of calculating passenger and freight rates between railway stations in the South Island and Nelson or other places on the notional railway. Passengers and freight travelled by road, with the difference between the road carrier's rates and railway rates subsidised by the government. Rail rates were significantly cheaper than road rates, so the scheme provided significant benefits to its users, while imposing significant costs on the government. The scheme lasted for 22 years, being withdrawn in October 1977. Bush tramways Bush tramways were industrial tramway lines principally constructed to haul timber or minerals, often in isolated areas. A variety of gauges was used, including the New Zealand standard . Typical bush trams were more lightly constructed than ordinary rail lines and had steeper gradients and sharper curves. With the low speeds that were commonplace, rolling stock and locomotives were