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Kanchanaphisek Road

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Motorway Route 9 shield}}Thailand Route 9 shield}}
Motorway Route 9
ทางหลวงพิเศษหมายเลข 9
ถนนกาญจนาภิเษก
Thanon Kanchanaphisek
Route information
Part of
Maintained by Department of Highways, Expressway Authority of Thailand
Length169 km (105 mi)
Existed1978–present
East Kanchanaphisek Road
Length64 km (40 mi)
North end Wang Noi District, Phra Nakhon Si Ayutthaya (Phahon Yothin Road)
South end Bang Phli District, Samut Prakan (Burapha Withi Expressway, Debaratna Road)
South Kanchanaphisek Road (Kanchanaphisek Expressway)
Length36 km (22 mi)
East end Bang Phli District, Samut Prakan (Burapha Withi Expressway, Debaratna Road)
West end Bang Khun Thian District, Bangkok (Rama II Road)
West Kanchanaphisek Road
Length69 km (43 mi)
North end Bang Pa-in District, Phra Nakhon Si Ayutthaya (Phahon Yothin Road)
South end Bang Khun Thian District, Bangkok (Rama II Road)
Location
CountryThailand
ProvincesBangkok, Samut Prakan, Nonthaburi, Pathum Thani, Phra Nakhon Si Ayutthaya
Highway system

Kanchanaphisek Road (Thai: ถนนกาญจนาภิเษก), also known as the Bangkok Outer Ring Road (Thai: ถนนวงแหวนรอบนอกกรุงเทพมหานคร) is a highway in Thailand, connecting Bangkok, Samut Prakan province, Nonthaburi province, Pathum Thani province and Phra Nakhon Si Ayutthaya province. It consists of multiple sections, including a controlled-access toll road, and almost forms a complete loop around the Bangkok Metropolitan Area.[1]

History

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Due to the rapid economic development of Bangkok which resulted in a significant increase in road traffic, the Bangkok Outer Ring Road was conceived in 1978 as a bypass route to connect the major highways leading out of the capital city. Its construction was separated into sections due to the high costs involved in the project, with the West section being the first to be constructed, followed by the East section and the South section. The Department of Highways initially designated the highway as Highway 39, but it was changed to Highway 9 after the Master Plan of Intercity Motorways (แผนพัฒนาระบบทางหลวงพิเศษระหว่างเมือง) was drawn up in 1996. In the same year, the road's name was bestowed upon by King Bhumibol Adulyadej following the Golden Jubilee celebrations, 'Kanchanaphisek Road', meaning 'Golden Jubilee Road'.[2]

The Department of Highways maintains West and East Kanchanaphisek Road, while the Expressway Authority of Thailand maintains the South Kanchanaphisek Road.

Kanchanaphisek Road in Bang Yai district, Nonthaburi

West Kanchanaphisek Road

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This was the first section to be constructed in 1978, between Taling Chan district, Bangkok and Bang Bua Thong district, Nonthaburi, as part of Highway 340 to Suphan Buri. This section was later extended to Bang Pa-in district, Phra Nakhon Si Ayutthaya in 1995. The section between Taling Chan district with Bang Khun Thian district was completed in 1998.

East Kanchanaphisek Road

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The eastern section was completed in 1998 as a four-lane intercity motorway with toll collection. This was expanded to 6-8 road lanes in 2010 to handle the increased traffic after the opening of Suvarnabhumi Airport. On 15 February 2022, it was the first highway which the Department of Highways introduced the multi-lane free flow system (M-flow) to reduce congestion at the toll gates. As of April 2023, approximately 110,000 cars use the system daily.[3][4]

South Kanchanaphisek Road (Kanchanaphisek Expressway)

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The southern section was the final section to be constructed and is a controlled-access toll highway. It opened for trial use on 15 November 2007 and toll collection between Bang Phli - Suk Sawat began on 23 March 2009. Toll collection was extended to the Suk Sawat - Bang Khun Thian section on 20 May 2019. Kanchanaphisek Bridge, the southernmost river crossing of the Chao Phraya River is part of the highway.[5]

According to an official EXAT annual report, the expressway was used by 79,603,350 cars in the 2022 fiscal year, with an average of 225,505 cars per day.[6]

Route

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Kanchanaphisek Expressway

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The Kanchanaphisek Expressway (South Kanchanaphisek Road) is located almost entirely in Samut Prakan province.

Kanchanaphisek Expressway
Location km Northbound Facility Southbound
Exit destinations (road) Toll Plaza (Entry) English Thai Toll Plaza (Entry) Exit destinations (road)
Samut Prakan 0.00 Suvarnabhumi Airport, Chonburi ( Burapha Withi Expressway, Debaratna Road) - Wat Salut Interchange ต่างระดับสัดสลุด Bang Kaeo -
Bang Na, At Narong ( Burapha Withi Expressway, Debaratna Road)
5.29 Bang Phli ( Thepharak Road) Thepharak Thepharak Interchange ต่างระดับเทพารักษ์ Thepharak Samrong ( Thepharak Road)
10.82 Samut Prakan (Srinagarindra Road) Bang Mueang Bang Mueang Interchange ต่างระดับบางเมือง Bang Mueang Bang Kapi (Srinagarindra Road)
14.62 Samut Prakan ( Sukhumvit Road) Pak Nam Sukhumvit Interchange ต่างระดับสุขุมวิท Pak Nam Samrong ( Sukhumvit Road)
18.90 Pu Chao Saming Phrai Road Pu Chao Saming Phrai Bhumibol Bridge Interchange ต่างระดับสะพานภูมิพล Pu Chao Saming Phrai -
Rama III Road (via Bhumibol Bridge)
20.30 Kanchanaphisek Bridge
21.10 Phra Pradaeng, Rat Burana ( Suk Sawat Road) Bang Khru Bang Khru Interchange ต่างระดับบางครุ Bang Khru Phra Samut Chedi, Chulachomklao Fort ( Suk Sawat Road)
Bangkok 36.66 - Bang Khun Thian Bang Khun Thian Interchange ต่างระดับบางขุนเทียน - Bang Pakaeo Intersection, ( Rama II Road)
Samut Sakhon ( Rama II Road)

See also

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References

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  1. ^ "ทางพิเศษกาญจนาภิเษก". EXAT.
  2. ^ "การพัฒนาระบบทางหลวงพิเศษระหว่างเมือง เพื่อคนไทยเดินทางสะดวกและปลอดภัย".
  3. ^ "คมนาคมโชว์ตัวเลขหลังเปิดใช้ระบบ 'M-Flow' ชี้ 3 วันมีรถผ่าน 7 หมื่นคัน/วัน". Thai Post.
  4. ^ "'กรมทางหลวง' ปลื้ม 1 ปี ผู้ใช้ M-Flow พุ่งเท่าตัว". Bangkok BizNews.
  5. ^ "ดีเดย์เก็บเงิน! มอเตอร์เวย์สาย 9 ช่วง "สุขสวัสดิ์-บางขุนเทียน" เล็ง 20 พ.ค.นี้".
  6. ^ "รายงานสถิติปริมาณจราจร รายได้ค่าผ่านทางพิเศษ และอุบัติเหตุบนทางพิเศษ ปีงบประมาณ 2565".
  • The article contains content from the corresponding article in the Thai wikipedia.