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Southern Line (Auckland)

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Southern Line
 STH 
Southern Line train at Takaanini
Overview
OwnerKiwiRail (tracks and platforms), Auckland Transport (trains and buildings)
LocaleAuckland
Termini
Connecting linesEastern Line
Onehunga Line
Western Line
Stations17
Service
TypeCommuter Rail
SystemAT Trains
Operator(s)Auckland One Rail
Rolling stockAM class
Technical
Line length49.62 km (30.83 mi)
Number of tracks2
Track gauge1,067 mm (3 ft 6 in)
Electrification25 kV 50 Hz AC overhead (Waitematā – Papakura)
Route map

Legend
0.0
 Waitematā (Auckland)
Quay Park junction
The Strand
Eastern Line junction
Ronayne Street
State Highway 16
Parnell Rise
Parnell
343m Parnell Tunnel
Cowie Street
Western Line junction
3.7
 Newmarket
Remuera Road
Newmarket Viaduct (SH1)
4.8
 Remuera
Market Road
Omahu Road
Green Lane
6.2
 Greenlane
Mitchelson Street
Walpole Street
Main Highway
7.6
 Ellerslie
Ellerslie-Panmure Highway
Great South Road
Onehunga Branch
9.1
 Penrose
to Onehunga via Te Papapa
South-Eastern Highway
Church Street East
Southdown Freight Centre
Westfield Junction
Railway Lane
Ōtāhuhu
Kaka Street
Mangere Road
Middlemore
Papatoetoe
St George Street
Bridge Street
Puhinui
Cavendish Drive
Manukau Branch to Manukau
State Highway 20
Wiri Station Road
Homai
Browns Road
Jutland Road
Station Road
Manurewa
Weymouth Road
Great South Road
Te Mahia
Southern Motorway (State Highway 1)
Spartan Road
Manuroa Road
Takaanini
Taka Street
Walters Road
Subway Road
Clevedon Road
33.1
 Papakura
Onslow Road
Settlement Road
Boundary Road
Opaheke Road
Sutton Road
Waihoehoe Road
Drury
Southern Motorway (State Highway 1)
Great South Road
McPherson Road
Ngākōroa
Paerātā
Crown Road
Mission Bush Branch
Cape Hill Road
Stadium Drive
Stadium Drive
51.3
 Pukekohe
NIMT
This diagram:
Map
Map

The Southern Line in Auckland, New Zealand, is the name given to suburban train services that operate between Waitematā railway station in central Auckland and Pukekohe via Newmarket.

Routing

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From Waitematā to Newmarket, Southern Line services use the Newmarket Line, then follow the North Auckland Line to Westfield Junction, and thence onto the North Island Main Trunk (NIMT) line as far as Pukekohe, the terminus of the Southern Line. In its entirety, this line follows the original 1875 North Island Main Trunk route between central Auckland and Pukekohe.

The line, originally single-tracked, was duplicated, piecemeal, between 1909 and 1939. In 1915, the original single-track Parnell tunnel was bypassed by a twin-track tunnel. The older tunnel can be seen alongside the current one, between Parnell station and Newmarket Junction.

History

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In 1930, the Westfield Deviation opened a new eastern route for the NIMT between Auckland and Westfield via Glen Innes. The route between Auckland and Westfield via Newmarket then ceased to be part of the NIMT. The portion between Newmarket and Westfield became part of the North Auckland Line (NAL), which runs between Westfield and Whangārei.

The Southern Line suburban services continued to run on the older route. A new line, called the Eastern Line, was introduced for services on the new route. While the Eastern and Southern lines have a different route between Auckland and Westfield, they share the same tracks between Westfield and Puhinui station.

Third Main Line

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A future third main line is under construction as part of the Wiri to Quay Park project announced in 2017; work started in 2020 and is to be completed by 2025.[1] It is expected to ease congestion on Auckland rail lines by allowing "through" trains to pass stationary trains at stations, improve rail freight access from the Port of Auckland to the Westfield yards and allow more frequent passenger and freight services.[2] The new line would be between Westfield and Wiri.[3]

These improvements will avoid an estimated 175,000 annual freight movements on the state highway network. Work began at the end of 2020. The $315 million funding package for these works was announced as part of the Government's New Zealand Upgrade Programme.

Electrification and new stations

[edit]
Main article: Auckland railway electrification

Along with the rest of Auckland's suburban railway network, the Southern Line was electrified from Waitematā to Papakura, with electric services beginning in 2014. Services between Pukekohe and Papakura are still provided by diesel multiple units (DMUs). In 2020, as part of the New Zealand Upgrade Programme, the government announced $371 million in funding to extend electrification from Papakura to Pukekohe. The project is due for completion in early 2025.[4][5]

As part of the Pukekohe electrification project, new stations are to be built at Drury, Ngākōroa and Paerātā.[4]

Services

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Suburban services are operated by Auckland One Rail under the AT Metro brand.

Stations

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Stations on the Southern Line
Distance from Waitematā Name Opened Notes
0.00 km (0.00 mi) Waitematā 7 July 2003[6]
Parnell 12 March 2017
3.84 km (2.39 mi) Newmarket 20 December 1873[6]
4.91 km (3.05 mi) Remuera 20 December 1873[6]
6.38 km (3.96 mi) Greenlane 20 December 1873[6]
7.75 km (4.82 mi) Ellerslie 20 December 1873[6]
9.2 km (5.72 mi) Penrose 24 December 1873[6]
14.33 km (8.90 mi) Ōtāhuhu 20 May 1875[6] New station and bus-train interchange opened October 2016.[7]
16.2 km (10.07 mi) Middlemore 20 July 1947[6]
18.06 km (11.22 mi) Papatoetoe 20 May 1875[6]
19.56 km (12.15 mi) Puhinui 29 June 1925[6] New station and bus-train interchange opened July 2021.[8]
22.78 km (14.15 mi) Homai 15 August 1924[6]
24.41 km (15.17 mi) Manurewa 20 May 1875[6]
26.24 km (16.30 mi) Te Mahia 16 August 1926[6]
27.84 km (17.30 mi) Takaanini 9 December 1913[6]
31.46 km (19.55 mi) Papakura 20 May 1875[6]
Drury 2025 New station set to open in 2025.[9]
Ngākōroa 2026 New station set to open in 2026.[9]
Paerātā 2025 New station set to open in 2025.[9]
49.62 km (30.83 mi) Pukekohe 20 May 1875[6]

See also

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References

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  1. ^ "The Third Main Line". KiwiRail. 2023.
  2. ^ "Agenda for a meeting of the Infrastructure Committee - 5.9 Hamilton to Auckland Passenger Rail – Progress Update and Future Direction" (PDF). Waikato District Council. 27 June 2017. Archived (PDF) from the original on 13 April 2021.
  3. ^ "The Third Main Line". KiwiRail. 2023.
  4. ^ a b Coughlan, Thomas (29 January 2020). "Government announces billions of infrastructure spending, with roads the big winner". Stuff. Archived from the original on 1 February 2020. Retrieved 2 February 2020.
  5. ^ "Electric trains to Pukekohe". Auckland Transport. Retrieved 8 June 2023.
  6. ^ a b c d e f g h i j k l m n o p Scoble, Juliet (2010). "Names & Opening & Closing Dates of Railway Stations" (PDF). Rail Heritage Trust of New Zealand. Archived from the original (PDF) on 24 January 2018. Retrieved 11 November 2018.
  7. ^ "New Otahuhu Station and a New Network for South Auckland". Auckland Transport. Archived from the original on 31 October 2016. Retrieved 25 October 2016.
  8. ^ "Puhinui Station reopens Monday 26th July 2021". Auckland Transport. 27 July 2021.
  9. ^ a b c "Southern Stations". KiwiRail. Retrieved 22 February 2023.
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