Objectives:

To give an update on the effects of ESC from recent studies.

Methodology:

A meta-analysis of 12 studies into the effects of ESC on the number of different types of crashes were summarised.

Key Findings:

• ESC prevents about 40% of all crashes involving loss of control

• All fatal crashes are reduced by around 40%; less severe crashes are unchanged when all types of crashes are regarded together.

• Fatal crashes in which rollover is the first harmful event are reduced by 70%, rollover crashes of all severities are reduced by 50%.

• Run-off-road crashes are reduced by about 40%, and single vehicle crashes are reduced by about 25%.

• Results are likely to be overestimated, especially with non-fatal crashes.

Keywords:

ESC, RTIs, Prevention, Meta-Analysis

Comments:

A lot of the quoted figures of the effectiveness are likely to be overestimated. The author has made an attempt to remove any publishing bias when analysing the different studies.

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