Event
- Event ID
- 1227
- Quality
- Description
A lorry carrying a rack with compressed hydrogen cylinders overturned on a highway. The rack impacted the ground, and possibly deformed, but did not lose its contents. A fire developed: it is unclear if the cylinders leaked and the hydrogen ignited contributing to the fire. The emergency caused an 11-hour closure of the highway.
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- fire
- Macro-region
- Asia
- Country
- Japan
- Date
- Component involved
- valve (generic)
- Failure mode
- rupture
- Initiating cause
- impact, rollover, crash
- Root CAUSE analysis
Since the role of he cylinders inthis road accident is unclear, The only indisputable ROOT CAUSE is a wrong manoeuvre of the driver.
- Root causes
- Date entry in HIAD
- 31/10/2025
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- H2 delivery to customers
- Hydrogen supply chain stage
- All components affected
CGH2 cylinders truck
- Process temperature range [C]
- ambient temperature (-50°C to +50°C)
- Process pressure range [MPa]
- medium to high pressure (10 to 50 MPa)
- Location type
- Open
- Location
- highway or similar
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 1
- Post-event summary
The truck was destroyed
- Emergency action
it seems that the truck was left burning.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release temperature [°C]
- 25
- Release pressure [MPa]
- 20
- Probable IGNITION SOURCE
References
- Sources categories
- News
- Reference & weblink
Hydrogen Inside news
https://www.hydrogeninsight.com/transport/hydrogen-truck-crash-and-resu…
(accessed october 2024)RRKK news on YouTube
A truck carrying liquid hydrogen overturned and caught fire on the Kyushu Expressway, closing the...
(accesed Novemebr 2025)
