Full list of upcoming NSW train maintenance and repair disruptions
Millions of commuters in NSW will spend months battling train disruptions as a major backlog of repairs to 2000km of track is carried out.
The state government warned travellers in June to prepare for "a year or more of pain" as the government fast-tracked a major $97 million maintenance blitz after a review found huge backlogs caused equipment failures and subsequently major shutdowns.
Significant work needs to be done to every line across the Sydney Trains network and while it will mostly impact those trying to get around on weekends and weeknights, it's also going to bleed out into weekdays, potentially causing commuter chaos.
Here's everything we know about where and when the train delays will take place.
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Commuters are being warned of potential chaos as significant trackwork is completed across all lines. Supplied
Who will be impacted by train delays or cancellations?
It's called the Sydney Rail Repair Plan but it's not just those travelling in Sydney's CBD or its surrounds who will be copping train cancellations.
Buses will replace trains, lines will be diverted or timetables changed all across the entire network.
This means north along the Central Coast, to Newcastle and into the Hunter region, like Muswellbrook, Dungog or Scone.
It's also impacting southern lines down to Wollongong, Bomaderry and Kiama.
Travelling west to the Blue Mountains may be more problematic on some days, with trips to Bathurst or Lithgow in the Central Tablelands also impacted.
"Around 600,000 weekend passengers will lose normal train services and need to use replacement buses over the next 12 months," the Sydney Rail Repair Plan states.
Some journeys may take longer as temporary rail speed restrictions are put into place in compromised areas.
Early morning commuters at Central Station. Brook Mitchell
What should I do if my line is impacted?
This all depends on what area you live in and where you're looking to go.
Normal bus services and the light rail in Sydney is not impacted by the Sydney Rail Repair Plan, nor is the ferry.
So if you've planned to head out of town to the Blue Mountains on an impacted day, it may be better to reschedule for another weekend and instead jump on a ferry to Manly.
Commuters could choose to drive on days with disruptions, however the roads may be busier as people try to avoid trackwork.
We will continue to update how, when and where disruptions will take place when the information is published by Sydney Trains.
Below is the timetable outlined until November.
You can search for your line or dates to help inform your plans.
Full list of track works schedule and delays
July 31 to August 3 (evening)
T8 Airport and South Line
Buses replace trains between Glenfield and Sydenham, and between Sydenham and Central via the Airport.
T9 Northern Line
Buses replace trains between Hornsby and Rhodes.
Central Coast and Newcastle Line
Trains run via the T1 North Shore Line.
Central Coast and Newcastle Line (Wednesday and Thursday evening)
Trains run to a changed timetable due to trackwork between Hawkesbury River and Cowan.
South Coast Line (Thursday evening)
Buses replace trains between Port Kembla and Wollongong.
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August 5 to 6 (weekend)
Metro North West Line
Buses replace Metro between Tallawong and Chatswood.
T1 North Shore and Western Line
Buses replace T1 North Shore Line trains between Berowra and Hornsby.
T1 Western Line
Richmond trains run between Richmond and Leppington.
T3 Bankstown Line
Saturday until 9.30am, buses replace trains between Bankstown and Sydenham.
T9 Northern Line
Buses replace trains between Hornsby and Strathfield.
Central Coast and Newcastle Line
Buses replace trains between Newcastle Interchange and Hornsby.
Blue Mountains Line
Trains run between Blue Mountains Line stations and Blacktown only. Bathurst trains start and end at Strathfield.
Hunter Line
Buses replace trains between Telarah and Newcastle Interchange.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
Commuters will be most affected on the weekends, with significant work to be completed on every line across the Sydney Trains network. Transport for NSW
August 8 to 10 (evening)
T2 Inner West and Leppington Line , T5 Cumberland Line
Buses replace trains between Glenfield and Fairfield.
T3 Bankstown Line
Buses replace trains between Cabramatta and Bankstown.
T4 Eastern Suburbs and Illawarra Line
Buses replace trains between Cronulla and Sutherland.
T2 Inner West and Leppington Line (Wednesday evening)
Buses replace the all-stations trains between Strathfield and Ashfield.
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August 12 to 13 (weekend)
T2 Inner West and Leppington Line
Buses replace trains between Cabramatta and Granville. Trains run between Leppington and the City via Regents Park.
Saturday morning, buses also replace Inner West trains between Ashfield and Central.
T5 Cumberland Line
Buses replace trains between Cabramatta and Granville.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
August 14 to 17 (evening)
T4 Eastern Suburbs and Illawarra Line
Buses replace trains between Central and Bondi Junction.
Central Coast and Newcastle Line
Buses replace trains between Gosford and Hornsby.
Metro North West Line
Buses replace metro between Macquarie University and Chatswood.
August 19 and 20 (weekend)
City Circle
Trains will not run on the City Circle (T1 North Shore and Western Line, T2 Inner West and Leppington Line , T9 Northern Line).
Buses replace trains between Strathfield and Wynyard.
T3 Bankstown Line
Buses replace trains between Sydenham and Central.
T4 Eastern Suburbs and Illawarra Line
Buses replace trains between Sydenham and Central.
Southern Highlands Line (Saturday daytime)
From 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
South Coast Line (Saturday daytime)
Buses replace trains between Port Kembla and Wollongong, and between Dapto and Waterfall.
T1 North Shore and Western Line (Sunday morning)
Buses replace T1 Western Line trains between Richmond and Blacktown.
South Coast Line (Sunday morning)
Buses replace trains between Bomaderry, Kiama and Wollongong.
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August 21 to August 24 (evening)
T1 North Shore and Western Line
Buses replace T1 North Shore Line trains between Hornsby and Central.
Central Coast and Newcastle Line
Buses replace trains between Newcastle Interchange and Wyong.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
Hunter Line (Thursday morning)
Buses replace some trains between Muswellbrook and Maitland.
August 26 to 27 (weekend)
City Circle
Trains run in one direction only.
T1 North Shore and Western Line
Buses replace T1 North Shore Line trains between Hornsby and Wynyard.
T1 Western Line Penrith trains start and end at Central. Richmond trains start and end at Olympic Park.
T3 Bankstown Line
Buses replace trains between Lidcombe and Sydenham.
T8 Airport & South Line
Trains run to a changed timetable and stopping pattern. Macarthur trains from the City run via Sydenham.
T9 Northern Line
Trains run between Berowra, Hornsby and Central.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
August 28 to September 1
Blue Mountains Line (major weekday)
Buses replace trains between Lithgow and Mount Victoria.
City Circle (Monday to Thursday evening)
Trains run in one direction only.
T1 North Shore & Western Line
Buses replace T1 Western Line trains between Richmond and Blacktown.
T5 Cumberland Line
Buses replace trains between Richmond and Blacktown.
Central Coast & Newcastle Line
Buses replace trains between Newcastle Interchange and Wyong.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
South Coast Line (Thursday)
Buses replace trains between Port Kembla and Wollongong.
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September 2 to 3 (weekend)
City Circle
Trains run in one direction only.
T1 North Shore & Western Line
Buses replace T1 Western Line trains between Emu Plains and Blacktown. Trains start and end at Central.
T1 North Shore Line trains start and end at Wynyard. Saturday night, buses replace trains between Berowra and Hornsby.
T8 Airport & South Line
Trains run to a changed timetable and stopping pattern. Macarthur trains to the City run via Sydenham.
T9 Northern Line
Trains start and end at Central.
Blue Mountains Line
Buses replace trains between Bathurst, Lithgow and Blacktown.
Central Coast & Newcastle Line
Saturday night, buses replace trains between Wyong and Hornsby.
September 4 to 8
Blue Mountains Line (major weekday)
Buses replace trains between Lithgow and Mount Victoria.
City Circle (Monday to Thursday evening)
Trains run in one direction only.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
T2 Inner West & Leppington Line (Wednesday evening)
Buses replace the all-stations Inner West trains between Strathfield and Ashfield.
September 9 to 10 (weekend)
City Circle
Trains will not run on the City Circle.
T1 North Shore & Western Line
T1 North Shore Line trains run between Berowra and Wynyard only. T1 Western Line trains start and end at Central.
T2 Inner West & Leppington Line
Buses replace Leppington trains between Glenfield and Liverpool, and the all-stations Inner West trains between Strathfield and Central.
Trains run between Leppington and Central via the Airport, and between Liverpool and Olympic Park.
T3 Bankstown Line
Trains start and end at Sydenham.
T9 Northern Line
Trains start and end at Central.
South Coast Line
Buses replace trains between Bomaderry and Wollongong.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
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September 11 to 14 (evening)
T1 North Shore & Western Line
T1 Western Line trains make extra stops at some stations between Homebush and Central.
T2 Inner West & Leppington Line
The all-stations Inner West trains will not run. Leppington trains make extra stops.
T9 Northern Line
Trains make extra stops at stations between Strathfield and Central.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
T1 North Shore & Western Line (Tuesday evening)
Buses replace T1 North Shore Line trains run between Berowra and Hornsby.
Central Coast & Newcastle Line (Tuesday evening)
Buses replace trains between Gosford and Hornsby.
September 16 to 27 (weekend)
City Circle
Trains run in one direction only.
T2 Inner West & Leppington Line
Buses replace trains between Leppington and Glenfield.
T8 Airport & South Line
Buses replace trains between Glenfield, Sydenham and Central via the Airport.
South Coast Line
Saturday morning, buses replace trains between Port Kembla and Wollongong, and between Dapto and Waterfall.
Sunday morning buses replace trains between Bomaderry, Kiama and Wollongong.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
September 18 to 21 (evening)
T1 North Shore & Western Line
Buses replace T1 North Shore Line trains between Berowra and Hornsby.
Central Coast & Newcastle Line
Buses replace trains between Gosford and Hornsby.
Hunter Line (Tuesday morning)
Buses replace some trains between Muswellbrook and Maitland.
September 23 to 24 (weekend)
T2 Inner West & Leppington Line, T5 Cumberland Line
Buses replace trains between Leppington and Liverpool.
T3 Bankstown Line
Buses replace trains between Lidcombe and Sydenham.
T8 Airport & South Line
Buses replace trains between Macarthur and East Hills.
Southern Highlands Line
Buses replace trains between Goulburn, Moss Vale and East Hills.
September 25 to 29
T3 Bankstown Line (major weekday)
Buses replace trains between Lidcombe and Sydenham.
T4 Eastern Suburbs & Illawarra Line (Monday to Thursday evening)
Buses replace trains between Central and Bondi Junction.
Metro North West Line (Tuesday to Thursday)
Buses replace Metro between Tallawong and Chatswood.
South Coast Line (Thursday morning)
Buses replace trains between Port Kembla and Wollongong.
September 30 to October 2 (long weekend)
T3 Bankstown Line
Buses replace trains between Lidcombe and Sydenham.
South Coast Line
Buses replace trains between Port Kembla and Wollongong.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
October 3 to 5
T3 Bankstown Line (major weekday)
Buses replace trains between Lidcombe and Sydenham.
Hunter Line
Buses replace trains between Scone and Maitland. Wednesday and Thursday night, buses replace trains between Scone, Dungog and Newcastle Interchange.
T7 Olympic Park Line (Wednesday to Thursday)
Buses replace trains between Olympic Park and Lidcombe.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Tallawong and Chatswood.
T2 Inner West & Leppington Line (Tuesday to Thursday evening)
Buses replace Inner West trains between Strathfield and Central.
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October 7 to 8 (weekend)
Metro North West Line
Buses replace Metro between Tallawong and Chatswood.
T2 Inner West & Leppington Line , T5 Cumberland Line
Sunday morning, buses replace trains between Cabramatta and Granville.
T3 Bankstown Line
Saturday night, buses replace trains between Bankstown and Central.
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Waterfall, Cronulla and Central.
South Coast Line
Buses replace trains between Dapto and Central, and between Port Kembla and Wollongong.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
October 9 to 12 (evening)
T1 North Shore & Western Line
Buses replace T1 North Shore Line trains between Hornsby and Central.
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Sutherland and Hurstville.
October 14 to 15 (weekend)
City Circle
Trains will not run on the City Circle.
T1 North Shore & Western Line
T1 North Shore Line trains run between Hornsby and Wynyard only.
T1 Western Line Penrith trains start and end at Central.
Richmond trains run to and from Leppington.
T2 Inner West & Leppington Line
Buses replace the all-stations Inner West trains between Strathfield and Central.
Trains run between Leppington and Olympic Park.
T3 Bankstown Line
Buses replace trains between Lidcombe and Bankstown.
T8 Airport & South Line
Revesby trains start and end at Central via the Airport. Macarthur trains start and end at Sydenham.
Saturday morning, buses replace the all stations Revesby trains between Revesby and Wolli Creek.
T9 Northern Line
Trains run between Berowra, Hornsby and Central.
South Coast Line
Saturday morning, buses replace trains between Dapto, Port Kembla and Waterfall.
Sunday morning, buses replace trains between Bomaderry and Wollongong.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
October 16 to 19 (evening)
City Circle
Trains will not run on the City Circle. Use T1, T4 and T9 trains, the light rail or local buses to get around the City.
T1 North Shore & Western Line
Buses replace T1 North Shore Line trains between Berowra and Hornsby.
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Cronulla and Sutherland.
Central Coast & Newcastle Line
Buses replace trains between Gosford and Hornsby.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
Hunter Line (Thursday morning)
Buses replace some trains between Muswellbrook and Maitland.
October 21 and 22 (weekend)
T1 North Shore & Western Line
Buses replace T1 Western Line trains between Richmond and Riverstone.
T3 Bankstown Line
Buses replace trains between Cabramatta, Lidcombe and Sydenham.
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Cronulla, Waterfall and Hurstville.
South Coast Line
Trains run between South Coast Line stations and Sutherland only.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
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October 23 to 26 (evening)
T8 Airport & South Line
Buses replace trains between Glenfield, Sydenham and Central via the Airport.
T9 Northern Line
Buses replace trains between Epping and Strathfield.
Central Coast & Newcastle Line
Trains run via the T1 North Shore Line.
Metro North West Line (Tuesday to Thursday)
Buses replace Metro between Macquarie University and Chatswood.
South Coast Line (Thursday morning)
Buses replace trains between Port Kembla and Wollongong.
October 28 and 29 (weekend)
T1 North Shore & Western Line
Buses replace T1 North Shore Line trains between Berowra and Gordon.
T1 Western Line Richmond trains run between Richmond and Olympic Park only.
T4 Eastern Suburbs & Illawarra Line
Saturday and Sunday morning, some trains start or end at Hurstville or Sutherland. You may need to change trains to continue your journey.
T9 Northern Line
Buses replace trains between Hornsby and Strathfield.
Central Coast & Newcastle Line
Buses replace trains between Newcastle Interchange and Hornsby.
Hunter Line
Buses replace trains between Scone, Dungog and Newcastle Interchange.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
October 30 to November 2 (evening)
T2 Inner West & Leppington Line , T5 Cumberland Line
Buses replace trains between Glenfield and Fairfield.
T3 Bankstown Line
Buses replace trains between Cabramatta and Bankstown.
T4 Eastern Suburbs & Illawarra Line
Trains will not stop at Wolli Creek. Buses run between Arncliffe, Wolli Creek and Sydenham.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
T2 Inner West & Leppington Line (Wednesday evening)
Buses replace Inner West trains between Strathfield and Central.
November 4 and 5 (weekend)
T1 North Shore & Western Line
T1 Western Line Buses replace trains between Parramatta and Olympic Park.
T2 Inner West & Leppington Line
Buses replace trains between Merrylands and Olympic Park.
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Cronulla and Sutherland.
Blue Mountains Line
Trains run between Blue Mountains Line stations and Blacktown only.
Southern Highlands Line
Saturday from 10am to 4pm, buses replace trains between Campbelltown and Moss Vale.
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November 6 to 9 (evening)
City Circle
Trains run in one direction only.
T1 North Shore & Western Line
T1 Western Line trains make extra stops at some stations between Homebush and Central.
T2 Inner West & Leppington Line
The all-stations Inner West trains will not run. Leppington trains make extra stops.
T9 Northern Line
Trains make extra stops at stations between Strathfield and Central.
Blue Mountains Line
Buses replace trains between Lithgow and Penrith.
Metro North West Line (Tuesday to Thursday evening)
Buses replace Metro between Macquarie University and Chatswood.
November 11 to 12 (weekend)
T2 Inner West & Leppington Line , T5 Cumberland Line
Buses replace trains between Glenfield and Fairfield. Each night buses also replace trains between Leppington and Glenfield.
Saturday morning, buses also replace Inner West trains between Ashfield and Central.
T3 Bankstown Line
Buses replace trains between Cabramatta, Lidcombe and Sydenham.
T4 Eastern Suburbs & Illawarra Line
Trains will not stop at Wolli Creek. Buses run between Arncliffe, Wolli Creek and Sydenham.
T8 Airport & South Line
Buses replace trains between Macarthur and Glenfield. Each night buses also replace trains between Glenfield and East Hills.
November 13 to 16 (evening)
T4 Eastern Suburbs & Illawarra Line
Buses replace trains between Cronulla and Sutherland.
T9 Northern Line
Buses replace trains between Hornsby and Epping.
Central Coast & Newcastle Line
Trains run via the T1 North Shore Line.
City Circle (Monday evening)
Trains run in one direction only.
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