Bangkok warns motorists to avoid 31 flooded roads

BANGKOK — Bangkok authorities have advised motorists to avoid 31 roads affected by flooding, with water levels of up to 20 centimetres or more reported at several locations across the capital.

The Bangkok Metropolitan Administration released data from its road-flood monitoring sensor system at 08:40 on 27 September 2026, showing widespread flooding across northern, eastern and central parts of Bangkok.

The affected roads are:

1. Ram Inthra Road — around Soi Ram Inthra 5–13/1, Bang Khen. Floodwater was at least 20 cm deep around Soi Ram Inthra 5.
2. Phahon Yothin Road — between Soi Phahon Yothin 51 and Phalasinth Road, including areas near Kasetsart University and the 11th
3. Infantry Regiment. Water reached at least 20 cm at several points.
4. Thep Rak Road — around Big C Saphan Mai, Bang Khen. Water reached at least 20 cm.
5. Watcharapol Road — around Soi Watcharapol 8 and Soi Watcharapol 1/9. Water reached at least 20 cm at one point.
6. Chaeng Watthana Road — near Phranakhon Rajabhat University. Water reached at least 20 cm.
7. Nawamin Road — around Soi Nawamin 105, 155 and Soi 38. Water reached at least 20 cm.
8. Prasert-Manukitch Road — at Nawamin Intersection. Water reached at least 20 cm.
9. Ramkhamhaeng Road — several sections from Soi Ramkhamhaeng 53 to Soi 33. Water reached at least 20 cm at five monitoring points.
10. Huamark Road — near Ramkhamhaeng Soi 24. Water reached at least 20 cm.
11. Srinakarin Road — around Lam Sali Intersection and the Kamphaeng Phet 7 Road area. Water reached at least 20 cm.
12. Sena Nikhom 1 Road — around Soi 15 and Soi Sena Niwet 112. Water reached at least 20 cm.
13. Vibhavadi Rangsit Road outbound — near Kamphaeng Phet 6 Road. Water reached at least 20 cm.
14. Chang Akat Uthit Road — around Soi Chang Akat Uthit 7 and 15. Water reached at least 20 cm.
15. Luang Phaeng Road — near Lotus Lat Krabang. Water reached at least 20 cm.
16. Chao Khun Thahan Road — several points around Khlong Khu Mueang, the ICD area and Chalong Krung. Water reached 20 cm or more at some locations.
17. Sukhonthasawat Road — near Soi Sukhonthasawat 25/2. Water reached at least 20 cm.
18. Chok Chai 4 Road — around Soi 40 and Soi 28. Water reached up to 20 cm.
19. Lat Phrao Wang Hin Road — near Soi Lat Phrao Wang Hin 64. Water reached at least 20 cm.
20. Suwinthawong Road — near Hathai Rat Road. Water reached at least 20 cm.
21. Sihaburanukit Road — around Soi Sihaburanukit 14. Water reached at least 20 cm.
22. Wachiratham Sathit Road — near Wat Thung Intersection. Water reached at least 20 cm.
23. On Nut Road — around Soi On Nut 59. Water reached at least 20 cm.
24. Sukhumvit 71 Road — around Khlong Tan Intersection. Water reached at least 20 cm.
25. Phatthanakan Road — near Soi Phatthanakan 53. Water reached at least 20 cm.
26. Lat Phrao Road — around Soi Lat Phrao 89 and 110. Water reached at least 20 cm.
27. Intharaphon Road — around Ramkhamhaeng Soi 43/1. Water reached at least 20 cm.
28. Chaloem Phrakiat Rama IX Road — near Soi 40. Water reached at least 15 cm.
29. Sukhaphiban 5 Road — near Or Ngoen Fresh Market. Water reached at least 15 cm.
30. Seri Thai Road — around Bang Chan Industrial Estate. Water reached at least 10 cm.
31. Lat Krabang Road — around Soi Lat Krabang 30/1. Water reached at least 10 cm.
32. Nak Niwat Road — around Soi Nak Niwat 38. Water reached at least 10 cm.

The BMA advised motorists to avoid affected routes where possible and check traffic and flood conditions before travelling.