Practice question

What is a Crash Modification Factor (CMF)?

The total number of crashes at a location divided by the traffic volume
A multiplicative factor that represents the expected change in crashes after implementing a specific countermeasure
The ratio of fatal crashes to total crashes at an intersection
A formula for converting crash data from one state to another

Answer: B — A multiplicative factor that represents the expected change in crashes after implementing a specific countermeasure

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