The official conclusion will be presented in a technical report, expected to be completed within 30 days, which may hold those involved legally liable.

Road conditions may have contributed

At the time of the accident, it was raining moderately and the road was wet — conditions that may have contributed to the loss of control of the truck. Fog and possible speeding are also being investigated.

According to the Federal Highway Police (PRF), the stretch is known for its high accident rate, especially on rainy days.

The history of the highway and vehicle maintenance will also be considered in the investigation.

The impact of the accident was immediate and fatal. Of the 21 people involved:

The accident mobilized ambulances from SAMU, Fire Department, Civil Police and PRF, who worked throughout the night to rescue