Drink driving and speeding are being blamed as the major causes as the tally of road accidents and deaths continues to climb through the Songkran holiday.
On Wednesday, there were 331 accidents across the country, up from 301 on Tuesday and 237 a day earlier.
There were 323 people injured in road accidents on Wednesday, an increase from 292 on Tuesday and 238 on Monday. But the death toll dropped to 40 from 47 on Tuesday, but was 26 on Monday.
Drink driving and speeding were still cited as the main causes of accidents.
The so-called seven dangerous days of the Songkran road safety campaign began on Monday, as travellers left for vacations or home visits during the Songkran festival, which ends on Sunday.
Police said earlier that 1,937 checkpoints were set up for for traffic law enforcement and 1,430 for alcohol checks, with about 80,000 officers on duty.
Khon Kaen and Nakon Si Thammarat had reported the most accidents, at 33 each, while the southern province also led in total injuries, at 36. Samut Sakhon had the most road deaths from Monday-Wednesday, with six.
