Fire on a CGH2 bottles truck

A truck loaded with 400 hydrogen bottles crashed into a concrete barrier and tipped over. After tipping over, the vehicle slid about 150 meters across the road. The hydrogen was released, ignited producing an explosion and eventually involving the tractor in the fire.
Around 50 firefighters were busy extinguishing the fire for two hours. To reduce the risk of explosion, the fire brigade cooled the gas bottles with extinguishing water at the scene of the fire. The motorway was closed for around eight hours.

The driver's cab burned out completely in the accident. The damage to the vehicle to 200,000 euros, without counting the damage to the highway surface

The INITIATING CAUSE was the crash of the vehicle against a concrete barrier.

cylinders

The trailer was transporting 400 bottles. The report mention 200 -l bottles. By looking at the picture, the bottles appear standard 50 litre, 200 bar bottles. Assuming they were all full, it give a total hydrogen inventory of approximately 290 kg.

The driver's cab burned out completely in the accident. The damage to the vehicle to 200,000 euros, without counting the damage to the highway surface

The fire the highway triggered a major fire service emergency operation. Around 50 firefighters were busy extinguishing the fire for two hours. To reduce the risk of explosion, the fire brigade cooled the gas bottles with extinguishing water at the scene of the fire. As there was not enough water at the scene of the accident, water hoses were laid over several hundred meters.
The motorway was closed for around eight hours.