# Brown Line (Bangkok)

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Proposed rapid transit line in Thailand

MRT Brown Line รถไฟฟ้าสายสีน้ำตาล 13 Overview Status Design phase, planned tender in late 2024 Owner Mass Rapid Transit Authority of Thailand Locale Bangkok and Nonthaburi, Thailand Termini Nonthaburi Civic Center Yaek Lam Sali Stations 20 Service Type Monorail System MRT Daily ridership est. 70,000-80,000 Technical Line length 22.1 kilometers (13.7 mi) (est.) Number of tracks 2 monorail tracks Character Elevated Operating speed 80 km/h (50 mph) Route map Legend MRT to Bang Krasor Nonthaburi Civic Center MRT to Ministry of Public Health MRT to Khae Rai Ngam Wong Wan 2 Akkanee Ngam Wong Wan 18 Chulakasem Chinnakhet SRT ← to Wat Samian Nari to Thung Song Hong → ARL Bang Khen Kasetsart Gate 2 BTS ← to Royal Forest Department to Sena Nikhom → Yaek Kaset (Kasetsart University) Klong Bang Bua Prasert Manukitch – Lat Pla Klao Prasert Manukitch – Sena Nikhom Satriwithaya 2 MRL ← to Nuanchan to Klong Lamchiak → Chalong Rat Expressway Klong Lamchiak Nuanchan Prasert Manukitch – Nawamin Pho Kaew Inthrarak Nawaminphirom Park National Housing Authority MRT ← to Si Burapha to Ram Khamhaeng 34 → MRT ← to Si Kritha to Bang Kapi → Yaek Lam Sali This diagram: view talk edit

The **MRT Brown Line** is a 22.1 km proposed [monorail](/source/Monorail) mass transit line in [Bangkok](/source/Bangkok), [Thailand](/source/Thailand) from Nonthaburi Civic Centre, [Nonthaburi Province](/source/Nonthaburi_Province) to Lam Sali intersection, [Bang Kapi District](/source/Bang_Kapi_District). 20 stations are proposed for the line and the expected cost for the project is 48 billion baht. The line has been integrated for 7.2 km with the N2 expressway project and a feasibility study has been completed. The MRT Brown line will interchange with 7 other mass transit lines.

Multiple delays on the alignment and construction of the MRT Brown Line have been experienced, largely due to changes in government policy, concerns from local community groups and the alignment of the planned N2 expressway.

The MRTA announced in August 2025 another review of the MRT Brown line due to the government's 20-baht flat fare policy and the redesign of the N2 section of the third-stage expressway which runs along the route. The study is to be completed by late-2025 with submission to the Cabinet in early 2026, with bidding for the line expected in late-2026.[1]

## Route Alignment

The MRT Brown Line starts at [Nonthaburi Civic Centre](/source/Nonthaburi_Civic_Center_MRT_Station) where it interchanges with both the [MRT Purple Line](/source/MRT_Purple_Line) & [MRT Pink Lines](/source/MRT_Pink_Line). It heads east along Ngam Wong Wan road through Khae Rai intersection and then Vihavadi-Rangsit road to interchange with the [SRT Dark Red Line](/source/SRT_Dark_Red_Line) at [Bang Khen](/source/Bang_Khen_Station). The Brown line continues past Kasetsart University to interchange with the BTS [Sukhumvit Line](/source/Sukhumvit_Line) at [Kasetsart University](/source/Kasetsart_University_BTS_station) on [Phahon Yothin](/source/Phahon_Yothin_Road) Road.

The line continues east along Prasote Manukitch Road (AKA Kaset-Nawamin Road) past Chalong Rat Expressway (interchanging with the proposed [BMA Grey Line](/source/Grey_Line_(Bangkok))) to Nawamin Road. The line then turns south along Nawamin Road over Lam Phang Phuai lake and past Klong Chan Stadium. The line continues further southeast along Nawamin Road where it then terminates at Ramkhamhaeng rd (soi 129/1), Lam Sali junction to interchange with the [MRT Orange Line](/source/MRT_Orange_Line) and [MRT Yellow Line](/source/MRT_Yellow_Line).

## History

The line was first proposed as the Gold Line by the Pheu Thai party (พรรคเพื่อไทย) for the Bangkok Governors election held in March 2013. This was in response to objections by [Kasetsart University](/source/Kasetsart_University) and as an alternative to a long-proposed elevated Expressway extension, the N2 expressway project.[2] However, the Pheu Thai candidate did not win the election and the Gold Line proposal was dropped with the then Deputy Minister of Transport stating that land appropriation costs were too high.[3] (The Gold Line name was later used for the BMA [Gold Line](/source/Gold_Line_(Bangkok)) ).

Subsequently, the [Office of Transport and Traffic Policy and Planning](/source/Office_of_Transport_and_Traffic_Policy_and_Planning) (OTP) reworked the Gold Line proposal into a new MRT Brown Line monorail proposal and this was endorsed by the MRTA Board in August 2013.[4] The route was under preliminary study by OTP from June 2013, but did not progress much before the May 2014 coup and change of government.[5] Subsequently, the route was finalised by OTP and public hearings into the project were held during 2017 as the government proposed integrating the design with a new expressway. In mid-2017, the MOT announced that a final feasibility study would be completed over 14 months.

**Note:** This line is not to be confused with the original OTP 2004 13 km MRT Brown Line proposal from Bangkapi to Min Buri which was taken to the 2005 election. In 2009, this plan was subsequently changed and the original 13 km Brown Line was merged into an extended [MRT Orange Line](/source/MRT_Orange_Line), which is currently under construction.

## Progress

In August 2013, the MRTA approved the MRT Brown line in principle to complete the design by 2016 with an expected 3-year construction period for a 2021 opening.[6] However, the line was delayed while a long planned expressway along much of the same route was prioritized.[7] Public hearings on the Brown line was held in 2017. The MOT announced that a 14-month feasibility study into the line would be completed by 2018.[8]

The feasibility study was undertaken during the same period where design for the N2 expressway (which runs along Kaset-Namawin rd) was being finalised by EXAT without catering for the MRT Brown Line. Work was expected to commence on the expressway in 2019.[9] OTP and MOT subsequently proposed an integrated design and construction of the Brown Line jointly with the N2 expressway which was approved by Cabinet. However, the Brown Line crossing of Vihavadi-Rangsit rd and the Don Muang elevated expressway might require a diversion of the Brown Line further north for the line to pass at this point depending on the final route design of the N2 expressway.[10] In February 2018, OTP confirmed that the study integrating the MRT Brown Line with the Expressway design would be done by June 2018.[11]

By August 2018, OTP had completed the feasibility study and conducted public hearings. Although, there was much public support for building the MRT Brown line, public opposition to the N2 expressway remained high. OTP intended to submit the project for Cabinet approval by the end of October 2018.[12] In early June 2019, the MRTA Board approved the investment plan for the Brown Line and integrated design with the N2 Expressway conducted by EXAT.[13] The design process was expected to be completed by late 2020 after further discussions regarding land access around Kasetsart University were conducted between EXAT, the MRTA, the Rural Highways Department and Kasetsart University in June 2020.[14] In early November 2020, the MRTA Governor stated that the OTP had submitted the preliminary Environment (EIA) to the National Environment Board for review and that land expropriation surveys in some areas along the route were still being finalised.[15] Final design was expected to be completed by December 2020.[16] However, the detailed design was expected to take longer to be completed by September 2022.[17]

The line will require the 435 plots of land along the route to be appropriated in order for the line to be built.[18]

In May 2023, the MRTA approved another feasibility study to be completed by December 2023 with construction tentatively starting from 2025.[19]

The MRTA announced in August 2025 another review of the MRT Brown line due to the government's 20-baht flat fare policy and the redesign of the N2 section of the third-stage expressway which runs along the route. The study is to be completed by late-2025 with submission to the Cabinet in early 2026, with bidding for the line expected in late-2026.[20]

## Stations

The 22.1 km Brown line is proposed to have 20 stations:

**Note:** Station names are provisional.

Code Station Name Transfers Province BR01 Nonthaburi Civic Center MRT MRT Nonthaburi BR02 Khae Rai BR03 Khlong Yat Lao (Ngam Wong Wan 12) Bangkok BR04 Pracha Chuen intersection BR05 Chinnakhet BR06 Bang Khen SRT Bang Khen Station BR07 Kasetsart University (Gate 2) BR08 Kasetsart University BTS Kasetsart University BR09 Bang Bua BR10 Lat Pla Khao BR11 Prasoet Manu Kit 18 BR12 Sukhonthasawat BR13 Chalong Rat MRL Kaset Nawamin (proposed) BR14 Khlong Lamchiak BR15 Nuan Chan 11 BR16 Yaek Nawamin BR17 Inthrarak BR18 Nawamin Phirom BR19 Seri Thai/Khlong Chan Stadium BR20 Yaek Lam Sali MRT (under construction) MRT

## Network Map

## See also

- [Mass Rapid Transit Master Plan in Bangkok Metropolitan Region](/source/Mass_Rapid_Transit_Master_Plan_in_Bangkok_Metropolitan_Region)

- [MRT (Bangkok)](/source/MRT_(Bangkok))

- [MRT Blue Line](/source/MRT_Blue_Line)

- [MRT Grey Line](/source/MRT_Grey_Line)

- [MRT Light Blue Line](/source/MRT_Light_Blue_Line)

- [MRT Orange Line](/source/MRT_Orange_Line)

- [MRT Pink Line](/source/MRT_Pink_Line)

- [MRT Purple Line](/source/MRT_Purple_Line)

- [MRT Yellow Line](/source/MRT_Yellow_Line)

- [BTS Skytrain](/source/BTS_Skytrain)

- [BTS Sukhumvit Line](/source/BTS_Sukhumvit_Line)

- [BTS Silom Line](/source/BTS_Silom_Line)

- [Airport Rail Link (Bangkok)](/source/Airport_Rail_Link_(Bangkok))

- [SRT Light Red Line](/source/SRT_Light_Red_Line)

- [SRT Dark Red Line](/source/SRT_Dark_Red_Line)

- [Bangkok BRT](/source/Bangkok_BRT)

- [BMA Gold Line](/source/Gold_Line_(Bangkok))

- [BMA Bang Na-Suvarnabhumi Line](/source/Bang_Na-Suvarnabhumi_light_rail)

## References

1. **[^](#cite_ref-1)** Post Reporters (14 August 2025). ["MRTA to speed up bidding on four lines"](https://www.bangkokpost.com/thailand/general/3086342/mrta-to-speed-up-bidding-on-four-lines). *Bangkok Post*. Retrieved 21 August 2025.

1. **[^](#cite_ref-2)** Hongtong, Thodsapol (7 December 2019). ["Changing MRT line near Kasetsart will cost B10bn"](https://www.bangkokpost.com/business/1810249/changing-mrt-line-near-kasetsart-will-cost-b10bn). *Bangkok Post*.

1. **[^](#cite_ref-3)** Mahitthirook, Amornrat (14 May 2013). ["City expressway plan redrawn to go north"](http://www.bangkokpost.com/news/transport/349823/city-expressway-plan-redrawn-to-go-north). *Bangkok Post*.

1. **[^](#cite_ref-4)** ["MRTA endorses Brown Line (Khae Rai-Lam Salee)"](https://www.nationthailand.com/detail/business/30213166). *The Nation*. 21 August 2013.

1. **[^](#cite_ref-5)** [Brown Line](https://www.facebook.com/kucityfanpage/posts/381668901937571) on [Facebook](/source/Facebook_(identifier))

1. **[^](#cite_ref-6)** ["MRTA endorses Brown Line (Khae Rai-Lam Salee)"](https://web.archive.org/web/20131216182643/http://www.nationmultimedia.com/business/MRTA-endorses-Brown-Line-(Khae-Rai-Lamsalee)-30213166.html). *The Nation*. Bangkok. 21 August 2013. Archived from [the original](http://www.nationmultimedia.com/business/MRTA-endorses-Brown-Line-(Khae-Rai-Lamsalee)-30213166.html) on December 16, 2013. Retrieved 6 November 2013.

1. **[^](#cite_ref-7)** ["ผู้จัดการออนไลน์ รวดเร็ว สด ทุกเหตุการณ์"](http://www.manager.co.th/iBizChannel/ViewNews.aspx?NewsID=9590000088905).

1. **[^](#cite_ref-8)** ["Govt mulls Brown Line feeder route to connect rail network"](http://www.bangkokpost.com/news/transport/1294515/govt-mulls-brown-line-feeder-route-to-connect-rail-network). *Bangkok Post*. 27 July 2017.

1. **[^](#cite_ref-9)** ["กทพ.ลุ้น สผ.เคาะ EIA ทางด่วน N2 จ่อชง ครม.ปลายปีนี้ เริ่มก่อสร้างปี 61"](https://mgronline.com/business/detail/9600000095476). 18 September 2017.

1. **[^](#cite_ref-10)** ["เคาะรถไฟสายสีน้ำตาล เสนอ'บิ๊กตู่'พิจารณามี.ค.นี้.... อ่านต่อได้ที่"](https://www.posttoday.com/biz/gov/537026). *Post Today*. 24 January 2018.

1. **[^](#cite_ref-11)** Jotikasthira, Om (20 February 2018). ["Brown Line monorail, expressway take shape"](https://www.bangkokpost.com/news/general/1414707/brown-line-monorail-expressway-take-shape). *Bangkok Post*.

1. **[^](#cite_ref-12)** Jotikasthira, Om (24 August 2018). ["Monorail plan heads to cabinet"](https://www.bangkokpost.com/news/transport/1527206/monorail-plan-heads-to-cabinet). *Bangkok Post*.

1. **[^](#cite_ref-13)** ["บอร์ดรฟม.ไฟเขียวควักเอง 1.4 พันล้านสร้างฐานรากรถไฟฟ้าสายสีน้ำตาล คาดสร้าง"](https://www.khaosod.co.th/economics/news_2589584). 6 June 2019.

1. **[^](#cite_ref-14)** ["โมเดล "โดมครอบทางด่วน" ลุ้น "ม.เกษตร" เปิดทางปักตอม่อ"](https://www.prachachat.net/property/news-480889). *Prachachat.net*. 23 June 2020.

1. **[^](#cite_ref-15)** ["รฟม.เดินหน้าออกแบบฐานรากตอม่อสายสีน้ำตาล พร้อมลุยเปิดประมูลปี 66"](https://www.matichon.co.th/economy/news_2425732). *Matichon Online*. 4 November 2020.

1. **[^](#cite_ref-16)** ["บอร์ดรฟม.ไฟเขียวควักเอง 1.4 พันล้านสร้างฐานรากรถไฟฟ้าสายสีน้ำตาล คาดสร้าง"](https://www.khaosod.co.th/economics/news_2589584). 6 June 2019.

1. **[^](#cite_ref-17)** ["รฟม.เดินหน้าออกแบบฐานรากตอม่อสายสีน้ำตาล พร้อมลุยเปิดประมูลปี 66"](https://www.facebook.com/TransportDailynews/posts/3057000034521494). *Daily News*. 29 November 2021.

1. **[^](#cite_ref-18)** ["รถไฟฟ้าสายใหม่ "สีน้ำตาล" วัดใจรัฐบาลได้ไปต่อหรือล้ม"](https://www.dailynews.co.th/articles/2354621/). *Daily News*. 23 May 2023.

1. **[^](#cite_ref-19)** ["Brown Line work could start in 2025"](https://www.inkl.com/news/brown-line-work-could-start-in-2025). *inkl*. 2023-05-23. Retrieved 2024-02-28.

1. **[^](#cite_ref-20)** Post Reporters (14 August 2025). ["MRTA to speed up bidding on four lines"](https://www.bangkokpost.com/thailand/general/3086342/mrta-to-speed-up-bidding-on-four-lines). *Bangkok Post*. Retrieved 21 August 2025.

## External links

- ["Airport Rail Link, BTS, MRT & BRT network map"](https://www.bts.co.th/eng/routemap.html)

- ["MRTA Brown Line"](https://www.mrta.co.th/en/projectelectrictrain/bangkok-and-vicinities/brownline/)

v t e Bangkok Metropolitan Mass Rapid Transit stations

v t e Public transport systems in Bangkok Metropolitan Region Transport in Bangkok List of rapid transit stations in Bangkok Rail transport in Bangkok Mass Rapid Transit Master Plan in Bangkok Metropolitan Region Railways Inter-city rail and High-speed rail Open State Railway of Thailand Northern Line Northeastern Line Southern Line Eastern Line Maeklong Railway Under construction Eastern HSR (2029) Northeastern HSR (2026) Planned Northern HSR Southern HSR Commuter rail SRT SRT ARL State Railway of Thailand Lopburi Kaeng Khoi Prachinburi Ratchaburi Suphan Buri Rapid transit BTS BTS MRT MRT MRT (under construction, 2028) Monorail MRT MRT MRT (planned) MRL (planned) MRL (planned) People mover BTS Suvarnabhumi APM Don Mueang APM (planned) Light rail and Tram BTS (planned) Trams in Bangkok (defunct) Main stations Krung Thep Aphiwat (Bang Sue) Bangkok (Hua Lamphong) Makkasan Roads Expressways Chaloem Maha Nakhon Si Rat Chalong Rat Burapha Withi Udon Ratthaya Prachim Ratthaya Uttaraphimuk S1 Kanchanaphisek Rama III–Dao Khanong–Western Outer Ring Road (under construction, 2025) Motorways Open () () Under construction (2025) (2025) (2025) Planned National highways () () () () Buses Operators and Routes Bangkok BRT BMTA Thai Smile Bus Bus Line 8 (Bangkok) Terminals Ekkamai Bus Terminal Mo Chit 2 Bus Terminal Old Mo Chit Bus Terminal New Southern Bus Terminal Water transport River Chao Phraya Express Boat OrangeFlag YellowFlag Thai Smile Boat Canals Khlong Saen Saep boat service Khlong Phadung Krung Kasem boat service Khlong Phasi Charoen boat service

v t e Urban rail transit in Southeast Asia Annual Riderships by cities 1 billion or more Singapore 500 million – 999 million Bangkok 100 million – 499 million Jakarta Kuala Lumpur Metro Manila 50 million – 99 million — 10 million – 49 million Hanoi Ho Chi Minh City Bandung Surabaya Yogyakarta (Surakarta) 5 million – 9.9 million Seberang Perai (Ipoh) 1 million – 4.9 million Palembang Cilegon (Serang) Medan Johor Bahru Yangon Padang Indonesia Java Greater Jakarta Integrated Mass Transit System Greater Jakarta Commuter Jakarta MRT M2 2B Jakarta LRT 3 Jabodebek LRT Bogor Grogol Senayan SHIA Skytrain SHIA ARS Merak Commuter Whoosh HSR KCJB Feeder KCJB Greater Bandung Commuter Bandung Walahar Garut Yogyakarta-Solo Commuter Adisumarmo ARS YIA ARS Surakarta Railbus Greater Semarang Commuter Greater Surabaya Commuter Sumatra Aceh Commuter Palembang LRT Kualanamu ARS A Greater Medan Commuter Minangkabau Express Padang Commuter Medan LRT Batang Kuis Lau Cih Cemara Lesser Sunda Islands Bali Urban Subway Cemagi Nusa Dua Sanur Ubud Laos Boten–Vientiane railway Malaysia Peninsular Malaysia Klang Valley Integrated Transit System 1 2 3 4 5 6 7 8 9 10 11 12 13 KLIA Aerotrain KTM ETS KTM Intercity RTS ECR KTM Komuter Northern Sector 1 2 KTM Komuter Southern Sector 1 2 Penang LRT MTL TTL Penang Hill Railway Johor Bahru ART TBL SKL IPL East Malaysia Kota Kinabalu LRT Monorail Kuching ART SM SR DM Myanmar Yangon Circular Railway Mandalay Circular Railway Yangon Urban Mass Rapid Transit Philippines Luzon Greater Capital Region Railway System Manila LRT Line 1 Line 2 Line 6 Manila MRT Line 3 Line 4 Line 5 (cancelled) Line 7 Line 8 Line 9 Line 10 Line 11 Philippine National Railways Metro Commuter NSCR NECL North Main Line South Main Line SkyTrain Visayas Cebu Monorail Cebu Urban Mass Rapid Transit Mindanao Davao People Mover Singapore Singapore MRT NSL EWL NEL CCL DTL TEL JRL CRL Singapore LRT BPLRT SKLRT PGLRT Changi Airport Skytrain Sentosa Express KTM Shuttle Tebrau RTS Thailand Bangkok Metropolitan Mass Rapid Transit Master Plan BTS Silom Sukhumvit Gold MRT Blue Purple Yellow Pink Orange Brown Grey Light Blue Silver Asia Era One ARL Red Lines Light Red Dark Red APM Suvarnabhumi Don Mueang Utapao HSR Eastern Northeastern Northern Southern Provincial Chiang Mai LRT Hat Yai Monorail Khon Kaen LRT Nakhon Ratchasima LRT Pattaya Monorail Phitsanulok Tram Phuket Island LRT Vietnam Hanoi Metro Line 2A Line 3 Ho Chi Minh City Metro 1 Line 1 North-South HSR Note: Under construction & planned lines are in Italics

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Adapted from the Wikipedia article [Brown Line (Bangkok)](https://en.wikipedia.org/wiki/Brown_Line_(Bangkok)) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Brown_Line_(Bangkok)?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
