Main North Line, New Zealand


Main North Line, New Zealand
Main North Line

Start of the Main North Line, heading north under the old Blenheim Road overpass in the distance, and to the left under the new Blenheim Road overpass to Christchurch railway station.
Overview
Type regional rail
System KiwiRail
Status Operational
Locale South Island, New Zealand
Termini Addington, Christchurch
Picton, Marlborough
Stations 65 (total)
18 (operational)
Operation
Opened 1872-04-29
Owner ONTRACK
Operator(s) KiwiRail
Character Provincial
Technical
Line length 348.04 km
No. of tracks Single
Track gauge 3 ft 6 in (1,067 mm)
Route map
Legend
Pier
Interisland Ferry
Unknown BSicon "ENDEa"
Unknown BSicon "eHST"
Picton Wharf
Station on track
347.98 Picton
Large bridge
129 m Waitohi Viaduct 16 m high
Unknown BSicon "eHST"
344.87 Elevation
Unknown BSicon "eHST"
341.85 Mount Pleasant
Unknown BSicon "eHST"
338.66 Koromiko
Unknown BSicon "eHST"
336.18 Para
Enter and exit tunnel
No. 24 Tunnel daylighted
Unknown BSicon "eHST"
328.57 Tuamarina
Unknown BSicon "eABZlf" Unknown BSicon "exSTRlg"
Transverse water Small bridge over water Unknown BSicon "exWBRÜCKE1"
293 m Wairau River
Unknown BSicon "eABZrg" Unknown BSicon "exSTRrf"
New bridge 1974
Non-passenger station/depot on track
325.41 Spring Creek Blenheim Freight Centre
Unknown BSicon "eHST"
322.83 Grovetown (Grove Town)
Station on track
319.50 Blenheim
Unknown BSicon "eHST"
Riverlands
Track change to left
Vernon loop
Enter and exit short tunnel
50 m No. 23 Tunnel daylighted 1979
Enter and exit short tunnel
70 m No. 22 Tunnel daylighted 1981
Unknown BSicon "eHST"
298.00 Dashwood
Transverse water Small bridge over water Transverse water
Awatere River
Station on track
294.40 Seddon
Unknown BSicon "eHST"
287.94 Blind River
Unknown BSicon "eHST"
284.21 Lake Grassmere (Kaparu)
Unknown BSicon "eHST"
281.00 Hauwai
Unknown BSicon "eHST"
276.82 Taimate
Unknown BSicon "eHST"
270.95 Ward
Unknown BSicon "eHST"
263.39 Mirza
Enter and exit tunnel
164 m No. 21 Tunnel (Tar Barrel)
Transverse water Small bridge over water Transverse water
Waima River
Unknown BSicon "eHST"
256.17 Wharanui
Unknown BSicon "eHST"
246.92 Kekerengu
Unknown BSicon "eHST"
236.82 Parikawa
Unknown BSicon "eHST"
226.34 Clarence
Transverse water Small bridge over water Transverse water
Track change to left
Papatea loop
Enter and exit short tunnel
130 m No. 20 Tunnel
Enter and exit short tunnel
642 m No. 19 Tunnel
Enter and exit short tunnel
209 m No. 18 Tunnel
Unknown BSicon "eHST"
209.61 Rakautara (Aniseed)
Enter and exit short tunnel
187 m No. 17 Tunnel
Enter and exit short tunnel
123 m No. 16 Tunnel
Enter and exit short tunnel
217 m No. 15 Tunnel
Unknown BSicon "eHST"
Mangamaunu
Unknown BSicon "eHST"
201.02 Hapuku
Transverse water Small bridge over water Transverse water
Hapuku River
Station on track
191.12 Kaikoura
Transverse water Small bridge over water Transverse water
Kowhai River
Unknown BSicon "eHST"
184.18 Kowhai
Unknown BSicon "eHST"
180.67 Puketa
Transverse water Small bridge over water Transverse water
Kahutara River
Enter and exit short tunnel
452 m No. 14 Tunnel (Rileys Hill)
Enter and exit short tunnel
116 m No. 13 Tunnel
Enter and exit short tunnel
897 m No. 12 Tunnel (Parititahi)
Enter and exit short tunnel
313 m No. 11 Tunnel (Kowhai)
Enter and exit short tunnel
100 m No. 10 Tunnel
Enter and exit short tunnel
253 m No. 9 Tunnel
Enter and exit short tunnel
154 m No. 8 Tunnel
Enter and exit short tunnel
114 m No. 7 Tunnel (Raramai Road)
Enter and exit short tunnel
126 m No. 6 Tunnel
Unknown BSicon "eHST"
172.28 Goose Bay
Enter and exit tunnel
208 m No. 5 Tunnel
Unknown BSicon "eHST"
168.35 Oaro
Enter and exit short tunnel
188 m No. 4 Tunnel deviated
Enter and exit short tunnel
975 m No. 3 Tunnel (Amuri Bluff)
Large bridge
Okarahia Viaduct 21 m high
Enter and exit short tunnel
51 m No. 2 Tunnel
Enter and exit short tunnel
76 m No. 1 Tunnel
Unknown BSicon "eHST"
157.98 Claverley
Unknown BSicon "eHST"
152.27 Hundalee
Transverse water Small bridge over water Transverse water
Conway River
Unknown BSicon "eHST"
143.48 Ferniehurst
Unknown BSicon "exHLUECKE" Unknown BSicon "eABZlg"
Mendip Section formation only
Unknown BSicon "eBHF"
133.19 Parnassus
Transverse water Small bridge over water Transverse water
Waiau River
Unknown BSicon "eHST"
129.18 Spotswood
Unknown BSicon "eHST"
125.92 Phoebe
Stop on track
119.57 Mina
Unknown BSicon "eHST"
Nonoti
Unknown BSicon "eHST"
113.54 Domett
Unknown BSicon "eHST"
105.43 Tormore
Unknown BSicon "eHST"
100.02 Ethelton
Transverse water Small bridge over water Transverse water
Hurunui River
Unknown BSicon "eHST"
93.15 Greta
Unknown BSicon "eHST"
86.09 Scargill
Unknown BSicon "eHST"
76.98 Spye
Unknown BSicon "eHST"
72.32 Omihi
Transverse abbreviated in this map Junction from right
Waiau Branch Weka Pass Railway
Station on track
62.88 Waipara
Transverse water Small bridge over water Transverse water
Waipara River
Unknown BSicon "eHST"
58.25 Glasnevin
Unknown BSicon "eHST"
55.91 Greneys Road (Greeneys Road)
Unknown BSicon "eBHF"
51.57 Amberley
Unknown BSicon "eHST"
49.92 Grays Road
Transverse water Small bridge over water Transverse water
Kowhai River
Unknown BSicon "eHST"
44.90 Balcairn
Unknown BSicon "eBHF"
39.53 Sefton
Unknown BSicon "exSTRrg" Unknown BSicon "eABZrf"
Unknown BSicon "exHST" Straight track
32.87 Ashley
Transverse water Unknown BSicon "exWBRÜCKE1" Small bridge over water Transverse water
Ashley River
Unknown BSicon "exSTRlf" Unknown BSicon "eABZlg"
Deviation 1961-12-18
Station on track
30.11 Rangiora
Unknown BSicon "exHLUECKE" Unknown BSicon "eABZrf"
Oxford Branch
Unknown BSicon "eHST"
27.15 Southbrook
Unknown BSicon "eHST"
23.29 Flaxton
Unknown BSicon "exHLUECKE" Unknown BSicon "eABZlg"
Eyreton Branch
Non-passenger station/depot on track
18.93 Kaiapoi
Unknown BSicon "eABZlf" Unknown BSicon "exSTRlg"
Transverse water Small bridge over water Unknown BSicon "exWBRÜCKE1"
Waimakariri River
Unknown BSicon "eABZrg" Unknown BSicon "exSTRrf"
Deviation 1958-09-01
Unknown BSicon "eHST"
15.22 Kainga (Stewarts Gully)
Unknown BSicon "eHST"
12.41 Chaneys
Unknown BSicon "eBHF"
11.32 Belfast
Unknown BSicon "eHST"
8.58 Styx
Unknown BSicon "eBHF"
5.33 Papanui
Unknown BSicon "eHST"
3.79 Bryndwr (Bryndwyr)
Unknown BSicon "eHST"
2.03 Riccarton
Unknown BSicon "eDST"
Addington saleyards
Track turning from left Unknown BSicon "xABZrf"
Station on track Unknown BSicon "exSTR"
0.51 Christchurch (Addington)
Transverse abbreviated in this map Unknown BSicon "ABZ3rf" Unknown BSicon "eABZ3lf" Transverse abbreviated in this map
Main South Line

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The Main North Line, sometimes referred to as part of the South Island Main Trunk Railway, is an important railway line that runs north from Christchurch in New Zealand up the east coast of the South Island through Kaikoura and Blenheim to Picton. It is a major link in New Zealand's national rail network and offers a connection with roll-on roll-off ferries from Picton to Wellington. It was also the longest railway construction project in New Zealand's history, with the first stages built in the 1870s and not completed until 1945.

Contents

Construction

The first proposal for a line resembling the present day Main North Line was made in 1861. A proposal for a line linking Christchurch and Blenheim was put before the Marlborough Provincial Council in April 1861. Later that year, the national government passed the Picton Railway Act in October, approving a line from Picton to the Wairau River under the auspices of the Marlborough Provincial Council.[1] However, the political authorisation did not translate into actual construction and no work on building the line was undertaken in the 1860s. In the 1870s the Canterbury Provincial Railways began to extend their 1,600 mm (5'3") broad gauge network north from Christchurch through Kaiapoi and Rangiora, reaching Amberley in 1876 and Waipara in 1880 - by this stage, the Canterbury network had been re-gauged to the national gauge of 1,067 mm (3 ft 6 in (1,067 mm)) narrow gauge and acquired by the central government. At the other end of the line, progress had been made in Marlborough, with a line opened between Blenheim and Picton. Nelson also sought a connection to the national network, possibly via an extension of the east coast main line or a branch line from it, and the first portion of the Nelson Section railway had opened in 1877.

In the 1880s, work ground to a halt as debate raged over what route to construct. An 1880 Royal Commission on the state of New Zealand's railways felt that an east coast main line would be premature, but possibly necessary in the future. Contrarily, regional actors in Canterbury, Marlborough, Nelson, and the West Coast argued passionately in favour of the proposals that best suited their interests. Canterbury slowly progressed its "Great Northern Railway" and pursued an inland route from Waipara, reaching Waikari in 1882, Medbury in 1884, and Culverden in 1886. Also in 1882, the Middle Island Railway Extension Commission ('Middle Island' then being the name for the South Island) was established to study proposals for a line northwards, including the following routes:

  • from Culverden to Hanmer Springs and Tophouse, with the line splitting into two branches in Tophouse, one to Nelson and the other down the Wairau River valley to Blenheim.
  • from Culverden up the Waiau River to Reefton, New Zealand, establishing a trans-Alpine route to the West Coast, followed by a line up the Buller Gorge to Nelson. (At this stage, no route for the Midland Line connecting the east and west coasts had been chosen; this was one of a number of candidates.)
  • from Waipara up the coast to Blenheim via Parnassus and Kaikoura.
The Awatere River double-decker bridge, located near Seddon. The upper deck carries the railway and the lower deck carried State Highway 1 until October 2007.

Interests in Marlborough favoured the coastal proposal and began work on extending their railway south from Blenheim. Canterbury appeared indecisive on a route north; once Culverden was reached in 1886, it was treated as the terminus of the east coast main line, then after roughly 15 years of inactivity, work began on a coastal "branch" north from Waipara at the start of the 20th century. This reached Scargill in 1902, Ethelton in 1905, Domett in 1907, Cheviot in 1910 (the station was in nearby Mina), and in 1912 the line crossed the Waiau River with a 706 m long bridge and was opened to Parnassus. Over the next two years, work progressed from Parnassus up the Leader River valley, with roughly three kilometres of track laid, a few more kilometres of formation made, preliminary activity undertaken for a diversion of the Hookhamsnyvy Creek, and work commenced on a bridge across the Leader River. The line was envisaged to then follow a series of inland valleys (such as those of the Conway and Charwell Rivers) to Kaikoura. The outbreak of World War I led to a halt on construction and the track beyond Parnassus was removed. At the other end of the line, work south from Blenheim had completed the line through Seddon and Ward, but the onset of war meant that its construction halted at Wharanui.

Not all work was postponed by the war. A campaign to extend the line from Culverden to Waiau was successful and construction continued through the war, with the line opened to Waiau on 15 December 1919. This boosted the hopes of those seeking an inland route, and more work was undertaken, with 3 km of formation built for a line from Waiau to Kaikoura, but ultimately nothing came of this proposal and the terminus remained in Waiau. The 1920s saw little progress made on the Main North Line as various interest groups, governments, and expert reports contested to achieve their respective desired outcomes. At this stage, both the Leader Valley and Tophouse routes were still possibilities, but it was around this time that proposals of a route out of Parnassus in a more easterly direction than the Leader Valley began to be formulated. This became the present-day route.

In the late 1920s, construction finally recommenced on on the coastal line south of Wharanui, but this soon stopped again when the Great Depression's effects began to be severely felt. Public pressure for a resumption of work was strong, and as the economy was starting to improve in 1936 the government issued orders for completion in four years. In 1939, the line beyond Parnassus was opened to Hundalee, but the outbreak of World War II created more delays and the goal of completion in four years was not achieved. Construction continued through the war, and not long after the resumption of peace the northern and southern railheads met in Kaikoura. The Main North Line from Christchurch to Picton was completed and officially opened on 15 December 1945.

Operation

A Picton-bound TranzCoastal service departing Christchurch station.

For a number of decades before the connection of the northern and southern ends, the Canterbury section was operated with its terminus in Culverden, even when the coastal route reached Parnassus. The most important passenger train was the Culverden Express, with carriages for Parnassus detached at Waipara. The express was supplemented by slower mixed trains. When the Waiau Branch reached Waiau in 1919 one goods train per day between Christchurch and Culverden was added to the schedule and the passenger train operated twice daily; these services continued to Waiau thrice weekly. The section of the Main North Line between Christchurch and Rangiora also saw commuter services and trains from the Oxford Branch and Eyreton Branch.

In the mid-1920s Parnassus became the primary terminus and the carriages detached in Waipara were conveyed to Culverden. During this period the train was used for trials of the 'Midland Red' paint scheme that came to be used nationwide for passenger carriages until the 1990s.

In 1930 a Royal Commission on New Zealand's railways suggested all passenger services on the southern and northern sections be replaced by mixed trains, but this was not positively received by the public. However, on 29 January 1939 the passenger services on the Waiau line were cancelled.

When the line was completed, the Picton Express began operating between Christchurch and Picton. A decade after it commenced, the RM class 88 seater railcars were introduced to New Zealand and they were placed in service between Christchurch and Picton.

The scenic value of the route, especially through the Kaikoura area, led to the creation of the tourist-focused Coastal Pacific, an express passenger train that ran between Christchurch and Picton in 5 hours and 20 minutes. It began on 25 September 1988 and runs today as the TranzCoastal. In the summer of 1994/1995 the Lynx Express met the Lynx fast ferry service in Picton and ran to a faster timetable than the Coastal Pacific. It was unsuccessful and did not operate in subsequent summers.

Branch lines

Addington Junction, the point at which the Main North Line meets the Main South Line.

The Main North Line parts from the Main South Line in Christchurch. Unlike the Main South Line, few branch lines diverged from the Main North Line. The three that did were:

  • Eyreton Branch (junction at Eyreton Junction, closed in 1954)
  • Oxford Branch (junction at Rangiora, closed in 1959)
  • Waiau Branch (junction at Waipara, closed in 1978)

In 1960 work commenced on a line to link Nelson and Blenheim, but a change of government led to a change in policy and this project was halted. Presently, no lines branch from the Main North Line, though the first 13 km of the Waiau Branch has been restored as the Weka Pass Railway and it retains a connection to the Main North Line in Waipara.

External links

References

  1. ^ General Assembly of New Zealand, "The Picton Railway Act, 1861", Nelson Examiner and New Zealand Chronicle 20 (23 October 1861), 4.
  • Churchman, Geoffrey B., and Hurst, Tony; The Railways of New Zealand: A Journey Through History, HarperCollins Publishers (New Zealand), 1991 reprint
  • Leitch, David, and Scott, Brian; Exploring New Zealand's Ghost Railways, Grantham House, 1998 revised edition

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