There are two existing heavy commercial vehicle cab strength regulations but currently neither of these are mandatory requirements of the European Type Approval system. However, this system is being replaced by the General Safety Regulations (GSR) and as part of this process the EC is considering the inclusion of one of them (ECE Regulation 29).
The objective of this study was to provide a preliminary assessment of the potential effects of such a decision on GB casualty numbers. It includes a review of the two existing standards, describes the relevance of the test forces and energies to current GB accident scenarios and estimates the casualty reducing potential of various policy options.

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