The Cambridge Branch (officially named the Hautapu Branch since 2011^[1]) is a rural railway line in the Waikato, New Zealand. The line stretches from Ruakura Junction for 15.08 kilometres (9.37 mi) to the settlement of Hautapu, having previously continued another 4.19 kilometres (2.60 mi) to the township of Cambridge. It had five stations along its length, at Newstead, Matangi (Tamahere), Bruntwood (Fencourt), Hautapu and the terminus at Cambridge.

Quick Facts Overview, Other name(s) ...

Cambridge Branch
Overview
Other name(s)	Hautapu Branch Cambridge Industrial Siding Cambridge/Hautapu Industrial Line
Status	Open Ruakura – Hautapu, closed Hautapu – Cambridge
Owner	KiwiRail
Locale	Waikato
Termini	Ruakura, East Coast Main Trunk Hautapu
Service
Operator(s)	KiwiRail
History
Opened	6 October 1884 (1884-10-06)
Closed to Passengers	9 September 1946 (1946-09-09)
Closed beyond Hautapu	1999 (1999)
Technical
Line length	19.27 km (11.97 mi) Ruakura – Cambridge 15.08 km (9.37 mi) Ruakura – Hautapu
Number of tracks	Single
Character	Rural
Track gauge	1,067 mm (3 ft 6 in)
Route map Legend East Coast Main Trunk ← Hamilton │ Kawerau → km Holland Road Vaile Road 2.57 Newstead SH 26 Woodside Road 7.47 Matangi Tauwhare Road Marychurch Road 12.88 Bruntwood Bruntwood Road 15.08 Hautapu Victoria Road (SH 1B) Taylor Street King Street Williams Street Princes Street Thornton Road 19.27 Cambridge This diagram: view talk edit

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Passenger service on the line ceased on 9 September 1946, although during the 1950 British Empire Games at Auckland three passenger trains took 1,500 people to the rowing events held on the nearby Lake Karapiro on 7 February.^[2] There were occasional excursions, such as those celebrating the centennial in 1984.^[3] In 2020 reopening of the branch to passengers was put forward as a COVID-19 recovery scheme. Cost was estimated at up to $150m, including relaying tracks to Cambridge.^[4]

In the late 1870s the need for a railway line to the flourishing town of Cambridge had been noted and a Cambridge Railway Committee formed, after the Government had rejected 'Breakell's Line',^[5] an earlier name for the Cambridge Branch, which had been surveyed in 1879.^[6] The committee had a 22.13 km (13.75 mi) line from Rukuhia surveyed in 1880, which would have bridged the Waikato at the Narrows.^[5] Preliminary surveying for the current branch was conducted in 1881.

The line starts at Ruakura Junction on the East Coast Main Trunk, where the first sod was turned in the line's construction on 6 May 1882.

A kilometre (0.6 mi) south of the Newstead Station a five span timber bridge was needed to cross the Mangaonua Stream, and a contract to lay the permanent way over the full distance was let on 21 February 1884 at the price of £5,455.

On the morning of 1 October 1884 the line was inspected and passed ready for traffic. On 6 October a special train brought the new station master and his family along with other members of the staff to Cambridge and two days later the line was open for traffic.

The Cambridge railway yard was located on a tract of land between Queen Street and Lake Te Ko-outu and crossed at its entrance by Lake Street.

Railway infrastructure originally included a Class 3 station building, goods shed and crane, locomotive shed, turntable and stockyards. The rail yard consisted of main line, crossing loop, four sidings, goods shed siding, backshunt, turntable and locomotive depot, stockyard and private sidings.

Cambridge yard was protected by both 'Home' and 'Distant' semaphore signals controlled via gainstock levers located at the station building. Four NZR built railway staff houses were also located on Queen Street bordering the railyards.

The locomotive depot was removed at some point during the 1920s but the turntable remained and was occasionally used until the early 1970s when it was dismantled and filled in. During the 1940s construction of the Karapiro Dam and Hydro scheme (9 kilometres [5.6 mi] east of Cambridge) necessitated the construction of a new siding and Public Works building in the yard site.

Heavy materials, machinery, steel and cement used in the construction of the dam were railed direct to Cambridge and then transported further by truck to Karapiro. This new siding left the Main just within the Home Signal boundary and passed along the outer limits parallel to the yard to the large Public Works warehouse.

Various private sidings were also used for the carriage of sawn timber, wood and wool products by local industries.

The station yard employed a mixture of 'Wynn-Williams' spring-loaded points, lockable switch points, ground-throw turnouts and also had trap-points/de-railers located on and protecting both the Public Works Siding, Crossing Loop and Number One Siding.

The old station building was sold and broken up in 1973 and an overhead crane was erected in its place to handle container traffic from Weddell Crown Aotearoa freezing works in Leamington. With the removal of the station building administration was subsequently moved and conducted from an office added to the Goods Shed. As a result, both the 'Home' and 'Distant' signals were fixed in the stop position. In the late 1970s following the removal of the stockyards the stockyard site was used for the washing and drying of N.Z.R tarpaulins on purpose built drying racks.

As shown in the table and graph, passenger traffic peaked in 1922, after a more frequent bus started running in 1920^[7] –

The following stations were located on the Cambridge Branchline with distances measured from Ruakura Junction.

In the early days regular services on the Cambridge branch were mixed (passenger and freight), stopping where or when required. The exception was the midday train which carried passengers only. The service was increased to two trains a day in 1902.^[10] Connections were made at Frankton Junction with services on the North Island Main Trunk. There were dairy factories located at Matangi and Bruntwood (Fencourt) and Hautapu requiring inwards supplies and sending outwards goods. During the 1920s, motor vehicles started to take over the passenger traffic and the last time-tabled passenger train left Cambridge without ceremony on 9 September 1946.

At one stage a loading bank for the Cambridge Raceway was located on the branch Main, adjacent to the racetrack grounds near the Taylor Street level-crossing, for the loading and unloading of race horses on important race days. Freight traffic continued with common goods carried including wood, coal, wool, meat, cars, fertiliser and grain. In 1973 a gantry-type container crane was erected in the station yard for the truck to train transition of containerised refrigerated meat from the Weddell Crown freezing works in Leamington.

With the closure of the freezing works in 1993 the traffic originating from Cambridge declined with the only remaining customer being Summit Grains. Summit Grains occupied the former Public Works warehouse in the station yard and used rail for inbound shipments of bulk grain and horse feed until early 1999 when the section from Hautapu to Cambridge was officially closed and subsequently lifted and removed.

The Cambridge Branch Line played a small part during World War Two for the transport of bulk aircraft fuel. In 1942 a top-secret fuel storage facility consisting of a bulk fuel tank, underground pipelines and tunnels codenamed 'AR-9' was built in the area directly adjacent and below the rail yards beside Lake Te Koutu. This RNZAF facility was designed to stockpile aircraft fuel for use by the air force at Rukuhia south of Hamilton. With the very real threat of Japanese invasion, it was constructed in secrecy with tank trains reportedly unloading fuel at night.

Like all New Zealand branch lines in the 1880s the Cambridge Line was first serviced by small tank engines. Due to axle-load and weight restrictions imposed by both rail weight and the Mangaonua Steam bridge, mainline locomotives have always been forbidden to operate on the line.

By the 1940s the B and Bb Class engines were prevalent and by the 1950s the A^B class 4-6-2 was the main loco employed on Cambridge Branch trains. With the dieselization of the New Zealand Railways network in the late 1950s and 1960s a mix of steam and diesel motive power became common. The last steam engine to run on the line was A^B 733 on Monday 26 June 1967, and in 1990 the line averaged about four shunts per day.^[11]

In the 1970s the main locomotives working the Cambridge Branch were diesels of the classes D^I, D^B and D^SC. By the 1980s and through the 1990s until the Hautapu-Cambridge sections closure, the majority of trains were pulled by DBR class engines. At various times a small shunting engine of the class TR was used to perform various shunting duties and was housed in the Goods Shed at Cambridge. All trains that currently use the line to Hautapu are DBR or DC hauled.

In the following months after the closure of the Hautapu-Cambridge section of line in 1999 all the yard and line tracks were quickly lifted and Goods Shed dismantled. The Samson Post was moved to the new terminus of the line at Hautapu. The 'Home' semaphore signal remained in position until being moved to the grounds of the Cambridge Museum where it is currently on display along with the '18 km' and '19 km' distance markers. The 'Cambridge' sign marking the entrance to the yard and also the 'Kissing Gates' of 1884 vintage remain preserved in place. The line formation is still very evident as a vacant plot of land stretching in a straight line to Hautapu for 4 kilometres (2.5 mi) between Victoria Road East and Victoria Road West and tree-lined within the town boundary. In 2010 KiwiRail required that the railway designation remain in place to protect the potential for the line to carry freight and passengers in future.^[12]

All evidence of the railway yard has been erased with exception of a loading bank, the stockyard platform and the remains of the locomotive inspection pit on the site of the old loco depot.

In early 2015^[13] the old 3-hectare (7.4-acre) yard was put up for tender after the last business Summit Grains moved from the former public works warehouse site, In early 2016 details were released by Hamilton-based Trig Group^[14] of a multi-million dollar development called Lakewood Cambridge,^[15] with the construction of at least half a dozen building starting in June 2017. The development makes way for new housing and shops in the two story buildings with the rest of the space being turned into a large carpark with no unique tips to the sites rail history.

On the 16th of August 2017^[16] construction of a new roundabout and the relocation of the kissing gates were completed in relation to completion of the Waikato Expressway Cambridge bypass and Lakewood Cambridge development of the Cambridge railway yard.

VTNZ is still in 2017 operating in the grounds of the old rail yard.

In 2020 double tracking and potentially reopening the Cambridge station for events, were put forward as a COVID-19 recovery scheme, as part of a $150m scheme to relay tracks to Cambridge.^[17]

From its first opening the line was generally referred to using variations of the 'Cambridge Railway' or 'Cambridge Branch', and in 1977 the name 'Cambridge Branch Railway' was reconfirmed as the official name in The New Zealand Gazette.^[18] In 1996 the line officially became the 'Cambridge Industrial Siding' (sometimes erroneously referred to as the 'Cambridge Industrial Line') before becoming the 'Hautapu Branch' in 2011.^[1] It has also been called the 'Cambridge / Hautapu Industrial Siding'.^[19]

The former section from Hautapu to Cambridge is still officially gazetted as being the 'Cambridge Industrial Siding', though the official record does note that the tracks have been removed.^[20]

• East Coast Main Trunk
• Glen Afton Branch
• Glen Massey Line'
• Kimihia Branch
• Kinleith Branch
• Rotorua Branch
• Thames Branch