Practice question

What is a Crash Modification Factor (CMF) of 0.75 for a specific countermeasure interpreted to mean?

  1. The countermeasure increases crashes by 75%
  2. The countermeasure reduces crashes by 25%
  3. The countermeasure reduces crashes by 75%
  4. The countermeasure has no significant effect

Answer: B — The countermeasure reduces crashes by 25%

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