Rollover risk associated with the use of road vehicles in off-road applications in quarries

Health and Safety Executive - Safety alert

Department Name:
Operational Strategy Division - Manufacturing Sector (Quarries)

Bulletin No:
OPSTD MS 4-2010

Issue Date:
10 May 2010

Target Audience:
Users of road vehicles in quarries, Quarry Industry

Key Issues:
Collapse of vehicle roof in rollover situations.


The use of any vehicle at a quarry will generally involve a risk of the vehicle overturning. Quarry edge protection should be designed to overturn a vehicle in order to arrest its progress if all other systems have failed (ie the edge protection has failed to stop the vehicle dead or simply redirect it back onto the roadway).


An employee of a contractor was killed when the 4x4 road vehicle he was driving overturned on a haul road at a quarry. Although the operator was thrown clear during the incident, the roof of the vehicle collapsed.

Action required:

Employers should review their arrangements to ensure that:

Employees should:

Relevant legal documents:


Further information:

General note:

Please pass this information to a colleague who may have this product/equipment or operate this type of system/process.