The new comprehensive plan, 2026
ผังเมืองรวมเมืองเชียงใหม่ ฉบับใหม่ 2569
The cabinet approved the draft on 17 March 2026: 1,428.90 km² over Mueang, San Sai, Mae Rim, Hang Dong, Saraphi and parts of Doi Saket and San…
Plans
Proposed, funded, under construction, shelved. Each with its status, its date, and its money as the sources give it.
12plans
657billion baht, summed as published
2under construction
6under study
| Plan | status | million baht | km | due | as of |
|---|---|---|---|---|---|
| Four-laning Route 118 to Chiang Rai | building | 2,000 | 17.473 | 2026 | 2026 |
| San Klang interchange | building | 1,425 | 2027 | 2025 | |
| Five interchanges on the outer ring | funded | 3,145 | 2027 | 2025 | |
| The new comprehensive plan, 2026 | funded | 2026-03 | |||
| The nine roads, 2025–27 | funded | 2027 | 2025 | ||
| Chiang Mai–Chiang Rai motorway, MR1-3 | study | 101,174 | 184 | 2025 | |
| Lanna Airport, the second airport at Ban Thi | study | 70,000 | 2032 | 2025 | |
| Chiang Mai light rail, the Red Line | study | 27,000 | 15.8 | 2032-12 | 2026-04 |
| Ring 4, drawn but not dug | study | 5,000 | 50 | 2025 | |
| An elevated road on the outer ring, Don Kaew to Mueang Kaew | study | 2,000 | 20.857 | 2025 | |
| The UNESCO nomination and the roads under it | study | 2026-01 | |||
| Bangkok–Chiang Mai high-speed rail | shelved | 445,303 | 668 | 2033–42 (phase 2 target) | 2024-10 |
Status
This Photo was taken by Supanut Arunoprayote.
Feel free to use any of my images, but please mention me as the author and may send me a message. (สามารถใช้ภาพได้อิสระ แต่กรุณาใส่เครดิตผู้ถ่ายและอาจส่ · CC BY 4.0Half of these have moved their date at least once
The light rail has three published lengths and four opening years. A plan is a rumour until someone puts money against it, and the table says which ones have.
The Red LineAn elevated road on the outer ring, Don Kaew to Mueang Kaew
ทางยกระดับบนทางหลวง 121 ดอนแก้ว–เมืองแก้ว
The highway department, not the expressway authority, studied six models from March 2025 for an elevated road on the west side of Route 121, 20.857…
Bangkok–Chiang Mai high-speed rail
รถไฟความเร็วสูงกรุงเทพฯ–เชียงใหม่
The northern Shinkansen line: Bangkok–Phitsanulok 380 km, Phitsanulok–Chiang Mai 288 km, 668 km in all (688 by Isranews), 445,303 million baht for…
Lanna Airport, the second airport at Ban Thi
This Photo was taken by Supanut Arunoprayote. Feel free to use any of my images, but please mention me as the author and may send me a message. (สามารถใช้ภาพได้อิสระ แต่กรุณาใส่เครดิตผู้ถ่ายและอาจส่ · CC BY 4.0สนามบินล้านนา สนามบินแห่งที่สองที่บ้านธิ
A second airport across the provincial line at Ban Thi, Lamphun, beside San Kamphaeng: about 8,050 rai, about 70,000 million baht, 24 million…
Chiang Mai light rail, the Red Line
CEphoto, Uwe Aranas · CC BY-SA 4.0รถไฟฟ้าเชียงใหม่ สายสีแดง
Nakhon Ping Hospital to Mae Hia Saman Samakkhi. The MRTA's Thai page gives 15.8 km, 16 stations, seven underground, about 27,000 million baht; its…
Chiang Mai–Chiang Rai motorway, MR1-3
มอเตอร์เวย์เชียงใหม่–เชียงราย MR1-3
An intercity motorway from Saraphi to Wiang Chai under the MR-MAP plan, three alignments of 178 to 217 km put to hearing on 20 September 2022. The…
The nine roads, 2025–27
เก้าสายทาง 2568–70
Announced on provincial radio: Route 116 Lamphun–Doi Lo to four lanes; Route 108 Chom Thong–Hot to four lanes; Hot–Mae Sariang; Route 1095 Mae…
Five interchanges on the outer ring
ทางแยกต่างระดับห้าแห่งบนวงแหวนรอบนอก
Tendered as a set: Samoeng at Route 108 in Hang Dong, 920 million; the Superhighway at Route 11, 700 million; Louis at Route 1006, 650 million, a…
Four-laning Route 118 to Chiang Rai
ขยายทางหลวง 118 เป็นสี่เลนถึงเชียงราย
The whole 158.473 km to be four lanes. Done: Chiang Mai–Doi Saket 20.2 km, October 2008; Pong Pha Tong–Ban Pong 28.5 km, October 2019; Pa Miang–Pang…
The UNESCO nomination and the roads under it
Hartmann Linge · CC BY-SA 4.0การเสนอมรดกโลกและถนนใต้มัน
Chiang Mai went on the tentative list in 2015 as Monuments, Sites and Cultural Landscape of Chiang Mai, Capital of Lanna: a nominated core of the old…
Ring 4, drawn but not dug
Ssuri · CC BY-SA 3.0วงแหวนรอบที่ 4
A fourth ring of about 50 km through Hang Dong, Saraphi, San Kamphaeng, Doi Saket, San Sai and Mae Rim, costed at about 5,000 million baht, at the…
San Klang interchange
ทางแยกต่างระดับสันกลาง
Route 1317 across Route 121, east of the city. Thai PBS reported it more than half built in 2025 at 1,425 million baht; a second phase of 430 million…