Those Chiang Mai citizens have lamented that why SRT has decided to construct Denchai - Chiang Rai - Chiang Khong rather than Chiang Mai- Fang - Chiang Rai - Chiang Khong or Chiang Mai - San Kamphaeng- Phayao - Chiang Rai - Chiang Khong. This kind of lamentation has exposed how Chiang Mai lads have become more like a bunch of Little Emperors who always think 🤔 that everything in Northern region must orbit around Chiang Mai city 🌆 despite of the geographical limitations which prevent from implementing such railway routes 🛤️ at the first place and any implementation wound incur enormous cost 💲 of the construction 🏗️ and maintenance 🧑🔧
https://m.pantip.com/topic/43628103?
* **สัญญาที่ 1 (เด่นชัย งาว) including Ngao station along with the First Tunnel (1.175 km) and the Second tunnel (6.240 km) in Song district of Phrae - 104 km at 26,560 million Baht
** โดย ITD (Italian Thai Development PCL) - NW (Naowarat Phatthanakarn PCL)
Construction period 15 February 2022 - 14 January 2028 (2160 days)
* ความก้าวหน้า: 35.199%
* แผนสะสม: 34.612%
* เร็วกว่าแผน: +0.587%
* **สัญญาที่ 2 (งาว เชียงราย) (including the third tunnel (2.700 km) at Mae Ka township, Mueang district of Phayao but excluding bot Ngao station and Chiang Rai station) - 135 km at 26,890 million Baht **
** โดย Contractor: CK (Ch. Karn Chang PCL) -STECON [Sino Thai Engineering Construction PCL] - DC2 (Buriram Phanasit Co. Ltd. - Domestic Contractor 2)
Construction period 15 February 2022 - 14 January 2028 (2160 days)
* ความก้าวหน้า: 43.086%
* แผนสะสม: 46.086%
* เร็วกว่าแผน: +3.040%
* **สัญญาที่ 3 (เชียงราย เชียงของ) including Chiang Rai station and the Fourth tunnel in Doi Luang district of Chiang rai - 87 km at 19,385 million Baht **
** โดย CK (Ch. Karn Chang PCL) -STECON [Sino Thai Engineering Construction PCL] - DC3 (Chiang Mai Construction Co. Ltd. - Domestic Contractor 3)
Construction period 15 February 2022 - 14 January 2028 (2160 days)
* ความก้าวหน้า: 34.778%
* แผนสะสม: 32.012%
* เร็วกว่าแผน: +2.766%
🚇Construction Progress of Denchai - Chiang Rai - Chiang Khong Double-Track Railway as of 31 July 2025 reported on 9 August 2025 🚇
😊👉 Overall: Accumulated Work Progress Goal: 38.528%
Accumulated Actual Work Progress: 40.295%
Progress: 1.767%
😊👉 Contract 1: Denchai - Ngao including Ngao station along with the First Tunnel (1.175 km) and the Second tunnel (6.240 km) in Song district of Phrae - 104 km at 26,560 million Baht
Construction period 15 February 2022 - 14 January 2028 (2160 days)
Contractor: ITD (Italian Thai Development PCL) - NW (Naowarat Phatthanakarn PCL)
Accumulated Work Progress Goal: 37.921%
Accumulated Actual Work Progress: 37.364%
Progress: -0.557%
😊👉 Contract 2: Ngao - Chiang Rai station (including the third tunnel (2.700 km) at Mae Ka township, Mueang district of Phayao but excluding bot Ngao station and Chiang Rai station) - 135 km at 26,890 million Baht
Contractor: CK (Ch. Karn Chang PCL) -STECON [Sino Thai Engineering Construction PCL] - DC2 (Buriram Phanasit Co. Ltd. - Domestic Contractor 2)
Construction period: 15 February 2022 - 14 January 2028 (2160 days)
Accumulated Work Progress Goal : 41.527%
Accumulated Actual Work Progress : 44.012%
Progress: 2.485%
😊👉 Contract 3: Chiang Rai - Chiang Khong including Chiang Rai station and the Fourth tunnel in Doi Luang district of Chiang rai - 87 km at 19,385 million Baht
Contractor: CK (Ch. Karn Chang PCL) -STECON [Sino Thai Engineering Construction PCL] - DC3 (Chiang Mai Construction Co. Ltd. - Domestic Contractor 3)
Construction period: 15 February 2022 - 14 January 2028 (2160 days)
Accumulated Work Progress Goal: 33.094%
Accumulated Actual Work Progress: 36.276%
Progress: 2.766%
#### Major Tunnels (4 tunnels)
🚇😊👉 the First Tunnel (1.175 km) => * **Song Tunnel (Phrae)**
Accumulated Work Progress Goal: 80.86%
Accumulated Actual Work Progress: 70.12%
Progress: -10.74% (Delayed 10.74%)
Length: 1,200 m (Up: 698 m / Down: 718.2 m)
🚇😊👉 the Second tunnel (6.240 km) => * **Ngao Tunnel (Lampang)**
Accumulated Work Progress Goal: 48.38%
Accumulated Actual Work Progress: 52.63%
Progress: 4.25%
Length: 6,211 m (Up: 1,215 m / Down: 1,124.9 m / South: 1,935.9 m / 1,968.9 m)
🚇😊👉 the third tunnel (2.700 km) => * **Mae Ka Tunnel (Phayao)**
Accumulated Work Progress Goal: 52.02%
Accumulated Actual Work Progress: 58.26%
Progress: 6.24%
Length: 2,700 m (Up: 1,642 m / Down: 1,656 m / South: 621.5 m)
🚇😊👉 the Fourth tunnel (3.400 km) => * **Doi Luang Tunnel (Chiang Rai)** - the first breakthrough
Accumulated Work Progress Goal: 49.19%
Accumulated Actual Work Progress: 57.56%
Progress: 8.37%
Length: 3,400 m (Up: 1,727 m / Down: 1,656 m / South: 1,614 m / 1,580 m)
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