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Sleep-related vehicle accidents (No.22)

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CHAPTER 4
Conclusions All Audits

1. Overall, 16-20% of RTAs were the result of sleepiness; although for the M40, SRVAs comprised 30% of the total number of accidents.

2. SRVAs were more likely than RTAs to result in serious injury, as a percentage of SRVAs/RTAs as a whole. See Table 4.1.

Table 4.1: Severity of RTAs and SRVAs (All Audits)

Severity

RTAs (%)

Possible or Probable SRVAs (%)

Fatal

17 (2%)

3 (2%)

Serious Injury

153 (19%)

40 (29%)

Slight Injury

362 (45%)

68 (49%)

Damage Only

253 (32%)

28 (20%)

Unknown

17 (2%)

  

Total No. of RTAs/SRVAs

802 (100%)

139 (100%)

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