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The Klang Valley Integrated Transit System is an integrated transport network that primarily serves the Klang Valley region and Greater Kuala Lumpur in Malaysia. The system commenced operations in August 1995 with the introduction of commuter rail service on the existing rail between Kuala Lumpur and Rawang. The system have since expanded and currently consists of 11 fully operating rail lines in a radial formation; two commuter rail lines, six rapid transit lines, one bus rapid transit line and two airport rail links to the Kuala Lumpur International Airport‘s (KLIA) Terminal 1 and Terminal 2, and one temporarily suspended airport rail link to the Sultan Abdul Aziz Shah Airport. The system encompasses 528.4 kilometres (328.3 mi) of grade-separated railway with 197 operational stations.

History

Rail transit in Kuala Lumpur and Selangor began in 1886 when a railway line from Kuala Lumpur to Bukit Kuda (just outside Klang) was opened. The line remains operational to this day as the Tanjung Malim-Port Klang Line.

Klang Valley Integrated Transit System Timeline

The first rail transit system to provide local rail services in Kuala Lumpur and the surrounding Klang Valley suburban areas was introduced on 14 August 1995, as the KTM Komuter.[3] A year later in December 1996, STAR LRT entered into service, followed by the PUTRA LRT which opened in stages beginning September 1998.[4]

STAR LRT, a light rapid transit (LRT) system, was first conceived in the 1981 Transport Master Plan, when the Malaysian government proposed a network of LRT lines connecting Kuala Lumpur city centre with the surrounding areas. An agreement was signed between the government and STAR in 1992 and construction began in 1993.[5] A second LRT system, the PUTRA LRT, was conceived and began construction in 1994. Both systems would eventually begin operations in 1996 and 1998 respectively.

The initial plan was for STAR and PUTRA to build, own and manage the LRTs. However, both companies ran into financial difficulties and were heavily in debt by 2001, which led to the government taking over both LRTs via Syarikat Prasarana Negara Bhd, now known as Prasarana Malaysia.[6][7] The LRT lines were subsequently renamed to LRT Ampang and Sri Petaling Lines, and LRT Kelana Jaya Line respectively.

In April 2002, Express Rail Link, which began construction in May 1997, entered into service, with two lines that connect KL Sentral to the newly built Kuala Lumpur International Airport (KLIA) (now KLIA Terminal 1). The lines were extended to KLIA’s Terminal 2 (then known as klia2) in 2014.

In 2003, the KL Monorail opened for service. However, the operator and owner of the line, KL Monorail System Sdn Bhd, quickly ran into financial difficulties and the service was again taken over by Prasarana Malaysia in 2007.[8]

In 2015, the BRT Sunway Line entered into service, serving the densely populated Sunway area.[9]

In 2016, the Sri Petaling Line was extended to Putra Heights with 11 new stations. The Kelana Jaya Line was similarly extended to Putra Heights with 17 new stations. The extension of both lines serves the Puchong Jaya and Subang Jaya areas.[10][11]

In 2010, proposals for a mass rapid transit (MRT) system similar to the Singapore‘s MRT network was put forth. This resulted in the launching of the Klang Valley Mass Rapid Transit (KVMRT) project.[12] The first line to be constructed, the MRT Kajang Line, opened on 16 December 2016.[13] A second MRT line, the MRT Putrajaya Line official opened on 16 June 2022.[14] Phase 2 of the line was subsequently launched on 16 March 2023.[15] Unlike the LRT lines, the MRT lines are owned by MRT Corp, but are integrated with the LRT and Monorail lines and are all operated under a single rapid transit system called Rapid KL.

Two future lines are set to be introduced in the Klang Valley. The LRT Shah Alam Line, which is still under construction, is scheduled to open in the second half of 2026. It will be the third LRT system and fourth LRT in the Klang Valley.[16] A third MRT line and the final part of the KVMRT project, the MRT Circle Line, is currently in its planning stage and is projected to be completed by 2032.

Integration

Initially, different competing companies operated the various transit systems and had developed these rail and bus systems separately and at various times. As a result, many of these systems did not integrate well with the others, making transferring from system to system inconvenient for passengers. Aggravated by Kuala Lumpur’s poor pedestrian network, moving from one rail system to another often required a lot of walking, stair-climbing, and escalator-use.

Since 28 November 2011, the paid areas of shared stations along the Rapid KL system for the Kelana Jaya Line, Ampang Line, and Sri Petaling Line, as well as the KL Monorail from 1 March 2012, have been integrated physically under a common ticketing system, effectively making those stations interchange stations. This enables commuters to transfer between lines at the interchange stations without buying a new ticket each time, provided that they do not exit the paid area. This became possible at the Titiwangsa, Hang Tuah, Putra Heights, and Masjid Jamek stations. With the opening of the latest rapid transit lines on 17 July 2017 and 16 June 2022, the Kajang Line and Putrajaya Line respectively, the integrated system has been expanded to Pasar Seni, MerdekaPlaza Rakyat, Maluri, Tun Razak Exchange, Chan Sow Lin, Kwasa Damansara and Sungai Besi stations, and to USJ 7 station with the launching of the BRT Sunway Line.

The KTM Komuter lines and Express Rail Link (ERL) lines implement their own ticketing systems and only allow integration between their respective rail lines.

Fares

The Touch ‘n Go stored value fare card is accepted as a mode of payment on the Rapid Bus system, LRT, MRT, BRT, and monorail lines, as well as the KTM Komuter and ERL lines, easing the hassle of buying separate tickets for travelling on different networks. However, the fare integration for the Rapid KL system does not include KTM Komuter and Express Rail Link.

Rapid Rail, the operator of the LRT, MRT and monorail lines, and Rapid Bus (which covers about 70% of the Klang Valley’s bus network as well as the BRT Sunway Line), provide various daily and monthly passes for commuters.[17]

Since February 2024, KTM Kommuter services started accepting credit and debit card as payment method, including NFC based mobile payment services such as Apple Pay, Google Pay and Samsung Pay.[18] Rapid KL services are slated to follow suit with the implementation of open payment system starting March 2024 and concluding by March 2025.[19]

System network

Map
Railway lines around Klang Valley

The KTM Komuter, a commuter rail service, provide local rail services in Kuala Lumpur and the surrounding Klang Valley suburban areas. Light rapid transit (LRT) lines and monorail line were introduced later on to serve the urban Kuala Lumpur area and its satellite towns. (i.e. Ampang, Petaling Jaya, Subang Jaya, Puchong, Gombak, etc.) The mass rapid transit (MRT) lines aims to connect the outskirts of the Klang Valley (i.e. Damansara, Sungai Buloh, Putrajaya, Kajang) with the city centre. Malaysia’s first bus rapid transit (BRT) line was introduced to ease pedestrian traffic in Bandar Sunway, a thriving leisure and entertainment township in Subang Jaya. 3 airport rail links connect the city centre with the 2 major airports of the Klang Valley, two to the Kuala Lumpur International Airport‘s (KLIA) Terminals 1 and 2, and one to the Sultan Abdul Aziz Shah Airport.

Line Number Line Name Began Operation Last Extension Terminus Stations Length
(km)
System Depots Operator
1 Batu Caves–Pulau Sebang Line 14 August 1995; 30 years ago (1995-08-14) 13 March 2025[note 2] Batu Caves Pulau Sebang/Tampin 27 135.6 Commuter rail
(S-train)
• Sentul
• Seremban
KTM
2 Tanjung Malim–Port Klang Line 11 May 2026[note 3] Tanjung Malim Port Klang 34 127.5
3 Ampang Line 16 December 1996; 29 years ago (1996-12-16) 6 December 1998[note 4] Sentul Timur Ampang 18 15 Light metro • Ampang
• Kuala Sungai Baru
Rapid Rail
4 Sri Petaling Line 1 December 2016[note 5] Sentul Timur Putra Heights 29 37.6
5 Kelana Jaya Line 1 September 1998; 27 years ago (1998-09-01) 30 June 2016[note 6] Gombak Putra Heights 37 46.4[20] • Subang
6 KLIA Ekspres 14 April 2002; 24 years ago (2002-04-14) 1 May 2014[note 7] KL Sentral KLIA T2 3 59.1 Express Airport rail link • Salak Tinggi ERL
7 KLIA Transit 6 Airport rail link
8 KL Monorail 31 August 2003; 22 years ago (2003-08-31) N/a KL Sentral Titiwangsa 11 8.6[21] Monorail • Brickfields Rapid Rail
9 Kajang Line 16 December 2016; 9 years ago (2016-12-16) 17 July 2017[note 8] Kwasa Damansara Kajang 29 46[22] Rapid transit Sungai Buloh
Kajang
10 KL Sentral–Terminal Skypark Line (temporarily suspended) 1 May 2018; 8 years ago (2018-05-01)[note 9] KL Sentral Terminal Skypark 3 24.5 Airport rail link (Limited express) • Sentul KTM
12 Putrajaya Line 16 June 2022; 4 years ago (2022-06-16) 16 March 2023[note 10] Kwasa Damansara Putrajaya Sentral 36 57.7 Rapid transit Sungai Buloh
Serdang
Rapid Rail
B1 BRT Sunway Line 2 June 2015; 11 years ago (2015-06-02) N/a Sunway-Setia Jaya USJ 7 7 5.6 Bus rapid transit • Sunway Rapid Bus
Total 198[note 11] 528.4

Proposed and future lines

Klang Valley Integrated Transit System Map that include proposed and current lines
Klang Valley Integrated Transit System Map that include proposed and current lines

Future Lines

The fourth LRT line, the Shah Alam Line, is currently under construction and is scheduled to begin operations in 2026. The construction of the third MRT line, the Circle Line is expected to commence in 2027.[23][24]

Line Number Line Name Stations Length Status Planned opening Terminus System Depots Operator
11 Shah Alam Line 25 37 km Undergoing testing and fault-free runs[25] 2Q 2026[16] Bandar Utama Johan Setia Light metro • Johan Setia Rapid Rail
13 Circle Line 30 51.6 km Undergoing land acquisition[26][27] 2032 Bukit Kiara Selatan University of Malaya Rapid transit • Kampung Puah
• Taman Midah

Proposed / Shelved Lines

Line Number Line Name Stations Length Status Terminus
14 Putrajaya Monorail 25 TBA Shelved since 2004[28] Putrajaya Sentral Kajang & Cyberjaya
B2 BRT Federal Line 24 32.52 km Shelved on 28 November 2017 Pasar Seni Klang

Ridership

Annual Ridership[29][30][31]
Line Number Line Name 2021 2022 2023 2024 2025 2026[note 12]
1 Batu Caves–Pulau Sebang Line[note 13] 4,549,011 11,077,053 13,392,837 12,355,324 10,230,638 4,013,666
2 Tanjung Malim–Port Klang Line
3 Ampang Line[note 14] 21,916,858 44,151,332 50,590,579 64,022,915 71,019,400 30,226,432
4 Sri Petaling Line
5 Kelana Jaya Line 25,105,755 55,015,765 73,763,592 84,733,297 89,632,502 36,468,258
6 KLIA Ekspres[note 15] 53,434 564,585 1,442,393 1,880,142 2,103,918 550,757
7 KLIA Transit[note 16] 724,997 3,384,996 5,143,217 6,085,514 7,190,750 1,875,110
8 KL Monorail 4,226,204 10,668,069 18,107,573 20,032,392 21,101,210 8,581,442
9 Kajang Line 19,424,705 45,348,209 66,501,508 84,520,994 92,737,532 38,770,576
10 KL Sentral–Terminal Skypark Line (temporarily suspended) 946 27,951 4,174[note 17]
12 Putrajaya Line 4,147,577 29,555,851 48,126,110 55,670,064 23,899,569
B1 BRT Sunway Line[31] 1,293,943 3,615,899 5,087,926 5,835,458 6,711,597 3,118,915
Total 77,295,853 178,001,436 263,589,650 327,592,146 356,397,611 147,504,725

Rolling stock

Line Code Line Name Formation In service
On order
Rolling Stock Manufacturers Image
1 Batu Caves–Pulau Sebang Line 6 carriage EMU 37 trainsets (222 car) KTM Class 92 China CRRC Zhuzhou
2 Tanjung Malim–Port Klang Line
3 Ampang Line 6 carriage high-floor LRV 50 trainsets (300 car) CRRC Zhuzhou LRV “AMY”
4 Sri Petaling Line
5 Kelana Jaya Line 2 carriage Linear induction EMU 35 trainsets (70 car) Bombardier Innovia ART 200 Canada Bombardier
4 carriage Linear induction EMU 35 trainsets (140 car)
14 trainsets (56 car)
27 trainsets (108 car)
Bombardier Innovia Metro 300 *Consortium
Canada Bombardier / Malaysia Hartasuma
6 KLIA Ekspres 4 carriage EMU 8 trainsets (32 car) Siemens Desiro ET 425 M Germany Siemens Mobility
2 trainsets (8 car) CRRC Changchun “Equator EMU” China CRRC Changchun
7 KLIA Transit 4 trainsets (16 car) Siemens Desiro ET 425 M Germany Siemens Mobility
4 trainsets (16 car) CRRC Changchun “Equator EMU” China CRRC Changchun
8 KL Monorail 4 carriage monorail EMU 9 trainsets (36 car) Scomi SUTRA Malaysia Scomi Rail
9 Kajang Line 4 carriage EMU 58 trainsets (232 car) Siemens Inspiro “The Guiding Light” *Consortium
Germany Siemens / China CRRC Nanjing Puzhen / Malaysia SMH Rail
10 KL Sentral–Terminal Skypark Line 3 carriage EMU 4 trainsets (12 car) KTM Class 83 South Korea Hyundai Precision / Japan Marubeni
11 Shah Alam Line 3 carriage LRV 25 trainsets (75 car) CRRC Zhuzhou LRV *Consortium
China CRRC Zhuzhou / China Siemens Ltd China / Malaysia Tegap Dinamik
12 Putrajaya Line 4 carriage EMU 49 trainsets (196 car) Hyundai Rotem EMU “Ducky” *Consortium
South Korea Hyundai Rotem / Malaysia Apex Communications / South Korea POSCO Engineering
B1 BRT Sunway Line Single-deck bus 15 battery run-electric bus BYD K9 China BYD Auto

Notes

  1. ^ Total ridership includes Rapid Rail, KTM Komuter (Klang Valley sector) and BRT Sunway Line.
  2. ^ Kajang 2 infill station
  3. ^ Segambut Utara infill station
  4. ^ STAR LRT Phase 2 (Sultan IsmailSentul Timur)
  5. ^ Sri Petaling Line LEP (Sri PetalingPutra Heights)
  6. ^ Kelana Jaya Line LEP (Kelana JayaPutra Heights)
  7. ^ Extension to KLIA T2
  8. ^ Kajang Line Phase 2 (SemantanKajang)
  9. ^ Uses the same KTM tracks for KL SentralSubang Jaya section
  10. ^ Putrajaya Line Phase 2 (Kampung BatuPutrajaya Sentral)
  11. ^ Counting interchange stations (paid area integration) and connecting stations (non-paid area integration) within same station building only once.
  12. ^ Ridership data updated till May 2026
  13. ^ Ridership data for Line 1 and 2 are consolidated as KTM Komuter Klang Valley in the APAD report.
  14. ^ Ridership data for Line 3 and 4 are consolidated as LRT Ampang in the APAD report.
  15. ^ Ridership for KLIA Ekspres is usually available by quarterly basis, published by both MOT Quarterly Rail Report or APAD Report.
  16. ^ Ridership for KLIA Transit is usually available by quarterly basis, published by both MOT Quarterly Rail Report or APAD Report.
  17. ^ KL Sentral–Terminal Skypark Line service is currently suspended as of 15 February 2023

References

  1. ^ “Rapid Rail Performance Update”. Archived from the original on 26 April 2025. Retrieved 24 January 2026.
  2. ^ “Rail Services Performance”. Archived from the original on 21 April 2025. Retrieved 16 February 2024.
  3. ^ Radhi, Nor Ain Mohamed (20 September 2020). “NST175: A long journey from steam to electric | New Straits Times”. NST Online. Retrieved 16 January 2025.
  4. ^ “Klang Valley urban rail service turns 10 – Community | The Star Online”. 25 April 2017. Archived from the original on 25 April 2017. Retrieved 17 February 2024.
  5. ^ An LRT-Bus strategy for greater Kuala Lumpur: What future integration? Archived 26 July 2019 at the Wayback Machine, page 9-10
  6. ^ “Cover Story: Malaysian rail’s chequered past”. The Edge Malaysia. Retrieved 17 February 2024.
  7. ^ LRT to be bailed out, govt confirms
  8. ^ “Syarikat Prasarana Negara in talks to take over KL monorail”. The Edge. Kuala Lumpur. 24 April 2007. Archived from the original on 27 April 2007. Retrieved 25 April 2007.
  9. ^ menon, priya (4 June 2015). “Bandar Sunway folk can now beat the jam”. The Star. Archived from the original on 17 February 2024. Retrieved 17 February 2024.
  10. ^ “Temporary suspension of LRT Ampang, Sri Petaling lines”. The Star. Kuala Lumpur. 17 June 2016.
  11. ^ “Alternate Train Service from Putra Heights from 30 June 2016”. RapidKL. 29 June 2016. Archived from the original on 2 July 2016. Retrieved 25 November 2018.
  12. ^ “MRT project approved, set to start in July”. The Malaysian Mirror. 18 December 2010.
  13. ^ “PM picks ’17-7-2017′ start date for MRT phase two | Malay Mail”. Archived from the original on 26 December 2017. Retrieved 17 February 2024.
  14. ^ “First phase of Putrajaya Line opens on June 16”. Freemalaysiatoday. 21 May 2022. Retrieved 2 June 2022.
  15. ^ “Putrajaya MRT line set for full opening on March 16”. Freemalaysiatoday. 3 March 2023. Archived from the original on 4 March 2023. Retrieved 3 March 2023.
  16. ^ a b “Shah Alam LRT opening pushed to Q2 2026 due to testing issues”. theSun. 8 December 2025. Retrieved 28 December 2025.
  17. ^ “My50”. MyRapid. Retrieved 17 February 2024.
  18. ^ Feb 09, seitha on; Pm, 2024 at 4:09 (9 February 2024). “KTM open payment system launched – debit/credit cards, Apple/Samsung Pay for Komuter; ETS excluded – paultan.org”. Paul Tan’s Automotive News. Archived from the original on 17 February 2024. Retrieved 17 February 2024.{{cite web}}: CS1 maint: numeric names: authors list (link)
  19. ^ “Rapid KL To Start Work On Open Payment System From March 2024 – Lowyat.NET”. 26 October 2023. Archived from the original on 17 February 2024. Retrieved 17 February 2024.
  20. ^ “Kelana Jaya Line”. Prasarana Malaysia. Archived from the original on 30 March 2014. Retrieved 12 June 2014.
  21. ^ “KL Monorail Line”. Syarikat Prasarana Negara. Archived from the original on 30 March 2014. Retrieved 12 June 2014.
  22. ^ Razak Ahmad, Hemananthani Sivanandam (17 July 2017). “Najib launches Phase 2 of Sungai Buloh-Kajang MRT line”. The Star. Archived from the original on 20 August 2018. Retrieved 18 July 2017.
  23. ^ Ali, Sharidan M (13 December 2014). “Prasarana to roll out LRT 3 projects by second half of 2015 – Business News | The Star Online”. Thestar.com.my. Archived from the original on 30 January 2023. Retrieved 15 April 2015.
  24. ^ “MRT3 Circle Line construction only starting in 2027 – paultan.org”. Paul Tan’s Automotive News. 19 November 2024. Retrieved 17 January 2025.
  25. ^ “LRT3 Main Contractor Faces Up To RM800 Million Delay Penalties”. Business Today. 28 April 2026. Retrieved 12 May 2026.
  26. ^ “MRT3 Circle Line tenders likely to restart by mid-2026 — MBSB Research”. The Edge Malaysia. 18 July 2025. Retrieved 18 September 2025.
  27. ^ “MRT Line 3: Circle Line – Environmental Impact Assessment & Strategic Impact Assessment Letter to KL Mayor”. Archived from the original on 6 September 2021. Retrieved 6 August 2021.
  28. ^ Sallehuddin, Qistina (27 June 2023). “No plans to revive the suspended monorail project”. New Straits Times. Retrieved 29 July 2024.
  29. ^ “Statistic | Rail”. Portal Rasmi Agensi Pengangkutan Awam Darat (APAD). 28 October 2025. Retrieved 11 January 2026.
  30. ^ “Ridership Archive”. myrapid. 11 January 2026. Archived from the original on 1 February 2024. Retrieved 11 January 2026.
  31. ^ a b “Statistic | Bus”. Portal Rasmi Agensi Pengangkutan Awam Darat (APAD). 28 October 2025. Retrieved 11 January 2026.{{cite web}}: CS1 maint: url-status (link)