no, this is an all-too-common misconception, because you’re missing the other half of the distribution where accidents were avoided because the car speeded past an accident that would have happened at a lower speed.
speed increases the severity of an accident (e.g., more fatalities vs. injuries), but doesn’t generally cause the accident. distractedness and impairment are overwhelmingly the primary causes of auto accidents. it’s important for policy decisions that we keep this very clear, and why we have ineffective, revenue-oriented programs like speed enforcement rather than attention-oriented policies.
speed increases the severity of an accident (e.g., more fatalities vs. injuries), but doesn’t generally cause the accident. distractedness and impairment are overwhelmingly the primary causes of auto accidents. it’s important for policy decisions that we keep this very clear, and why we have ineffective, revenue-oriented programs like speed enforcement rather than attention-oriented policies.