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Main Suburban railway
Sydney Metropolitan Rail Area with Main Suburban railway highlighted in black
Overview
Owner	Transport Asset Holding Entity
Termini	Redfern Granville
Stations	17
Service
Services	T1 North Shore & Western T2 Leppington & Inner West T3 Liverpool & Inner West T9 Northern
Operator(s)	Sydney Trains
History
Opened	1855
Technical
Track length	10 km (6.2 mi)
Number of tracks	4/6
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	Overhead 1500 V DC
Operating speed	Track speed varies between 50 km/h (on local) and 100 km/h (on main) 43.3 km/h (network average)
Route map Main Suburban line through Croydon Legend km North Shore line to Hornsby │ City Circle 0.00 Central 1.30 Redfern Illawarra line to Bomaderry 2.48 Macdonaldtown 3.10 Newtown 4.67 Stanmore 5.50 Petersham 6.25 Lewisham Inner West Light Rail 7.03 Summer Hill 8.38 Ashfield 9.42 Croydon 10.62 Burwood 11.81 Strathfield Main Northern line to Armidale 12.74 Homebush 14.32 Flemington 15.83 Olympic Park line to Olympic Park │ Rookwood 16.61 Lidcombe Main Southern line to Albury 18.63 Auburn 19.84 Clyburn 20.66 Clyde Carlingford line to Carlingford 21.22 Granville Old Main South line to Cabramatta Main Western line to Dubbo Note: most crossovers not shown This diagram: view talk edit

The Main Suburban railway line is the technical name for the trunk railway line between Redfern railway station and Parramatta railway station in Sydney, Australia, but now generally refers to the section between Redfern and where the Old Main South Line branches off at Granville Junction. The railway line then continues on as the Main Western line towards the Blue Mountains. This term distinguished this trunk line from the Illawarra Line which branched south from the Illawarra Junction to Wollongong, and later the North Shore line which carried trains north over the Harbour Bridge.

History

The Main Suburban line between Redfern and Granville was the first railway line to be constructed in New South Wales. The first company to start rail transport in New South Wales was the Sydney Railway Company which was incorporated on 10 October 1849 with the aim of building a railway from Sydney to Parramatta. Capital was raised, shares were sold, and a route was surveyed. The first sod was turned by Mrs Keith Stewart (daughter of the Governor) at Cleveland Paddocks (an area between the southern end of the current Central station and Cleveland Street) on 20 May 1850.

The original engineer appointed was Francis Webb Sheilds, an Irishman. He persuaded the New South Wales legislature to pass an Act on 27 July 1852 requiring all railways in the colony to be of 5 ft 3 in (1,600 mm) gauge. This was the gauge in use in Ireland and is now referred to as 1,600 mm gauge. After Sheilds resigned due to difficulties, a Scot named James Wallace was appointed. Wallace persuaded the legislature to repeal the previous act and replace it, on 4 August 1853, with one requiring a gauge of 4 ft 8+1⁄2 in (1,435 mm) – the current standard gauge.

The Sydney Railway Company encountered many troubles: engineers came and went; real estate required became expensive and difficult to acquire; money, supplies and manpower ran short, partly because of a gold rush. Eventually the property of the Sydney Railway Company was transferred to the government of New South Wales on 3 September 1855.

The line opened on 26 September 1855, from Sydney to Parramatta Junction (near Granville Station), with stations at Newtown, Ashfield, Burwood and Homebush. The Sydney terminal station was on the south side of Devonshire Street, just south of the current Central station. Although the vicinity was sometimes referred to as Redfern, it was not near the current Redfern station.

The line was quadrupled to Flemington on 31 December 1893. The line saw its most dramatic change when the section from Redfern to Homebush was expanded from four to six tracks by the addition of two tracks initially intended for non-electric express trains that opened on 30 October 1927. Prior to 1927, all stations on the line had platform faces to all four tracks, and the tracks were labelled as fast and slow. After the completion of works in 1927, only Redfern and Strathfield had platform faces on all six tracks. The four tracks now known as the Up and Down Local lines and the Up and Down Suburban Lines were electrified in 1928. It was not until 1955 that the Up and Down Main Lines were also electrified to coincide with the opening of the Blue Mountains electrification programme.

Double-deck trailer cars were introduced between 1964 and 1967 replacing old wooden trailer cars in the Iine's electric multiple unit passenger trains.

Description of route

The line commences at Illawarra Junction south of Redfern station, the junction point of the Illawarra railway line. The line consists of three pairs of electrified tracks, six in total, which head west through the Inner Western suburbs of Sydney to Strathfield. The tracks are named Up and Down Main, Up and Down Suburban, and Up and Down Local. The Main lines are express lines which have no intermediate platforms between Redfern and Burwood, and carry NSW TrainLink and some T9 Northern services. The inner Suburban pair of tracks have some intermediate platforms and generally carry T1 North Shore & Western and T9 Northern suburban services. The southernmost Local pair of tracks have platforms at all intermediate stations and carry all-stations and limited stops T2 Leppington & Inner West Line and T3 Liverpool & Inner West Line services.

At Strathfield, there is a grade separated junction with the Main North line. There is also a single track link that takes freight trains from the Main North west, joining onto a goods line that runs parallel to the Main Suburban. At the next station, Homebush, the local tracks end. Generally, trains on the suburban track merge onto the main, while trains on the local either terminate or merge on the suburban track. The line then continues to Flemington, where there is a complex double triangle junction around Flemington Maintenance Depot, which provides access from the main tracks to the Olympic Park line and the Sydney Freight Network.

A bit further west is Lidcombe, where there is another triangle junction, connecting the suburban tracks to the Main Southern railway line. Continuing down the line, there are further junctions with various yards and workshops at Auburn, including Auburn Maintenance Centre and Maintrain, and the now closed Carlingford railway line at Clyde. At Granville, the line ends with a triangle junction, continuing onto either the Main Western Line or the Old Main South line.

Speed limits on the route vary between locations and tracks (main, suburban or local). The main generally has the highest speed limits, around 80 km/h (50 mph), with some 90 or 100 km/h (56 or 62 mph) sections. The suburban and local tracks vary between 50 and 80 km/h (31 and 50 mph) limits. The limits on the suburban and local reduce to 50 km/h (31 mph) around bridges on curves at Newtown and Ashfield, as the bridges have their supports between the running lines, with a risk of bridge collapse if a train were to derail at high speed, similar to the Granville rail disaster.

Stations

References

Citations

1. Asset Standards Authority (19 March 2014). RailCorp electrical system general description, version 1.0 (PDF). Archived from the original (PDF) on 23 June 2015. Retrieved 23 August 2015.
2. Sydney Trains, Drivers Route Knowledge Diagrams (Main South Line) (PDF)
3. Saulwick, Jacob (24 July 2013). "Smallest stations are biggest losers in new rail timetable". Sydney Morning Herald.
4. ^ Sydney Electric Trains from 1926-1960 Australian Railway Historical Society Bulletin issue 762 April 2001
5. "Sydney Railway Company". State Records.
6. "William Webster - the first railway engineer". www.warrenfahey.com. The Iron Road. Archived from the original on 10 March 2014. Retrieved 26 April 2006.
7. "FIRST RAILWAY FIREMAN". The Evening News. No. 11, 948. New South Wales, Australia. 25 September 1905. p. 5. Retrieved 9 October 2016 – via National Library of Australia.
8. Australian Railway History issue 810 April 2005
9. Highlights in Century of NSW Railway Progress Railway Transportation September 1955 page 69
10. The Roaring Twenties on the Main Suburban Line Australian Railway Historical Society Bulletin issue 347 September 1966 pages 202-212
11. Double-Deckers in Sydney The Railway Magazine issue 757 May 1964 pages 418/419
12. Sydney Trains (October 2019). "Drivers Route Knowledge Diagrams (Main South Line)" (PDF). Railsafe. Retrieved 26 October 2019.

Sources

• Hagarty, Don; Australian Railway Historical Society. New South Wales Division (2005), Sydney Railway 1848-1857, The building of the first railway from Sydney to Parramatta, Australian Railway Historical Society, ISBN 0-9757870-1-2

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• Main Suburban railway line