Bibliography (8):

1. How Dangerous Are Drinking Drivers?

2. Can behavioral interventions be too salient? Evidence from traffic safety messages

3. Revisiting the effect of recreational marijuana on traffic fatalities

4. Prediction of Vehicular Accident Involvement: A Meta-Analysis

5. All-Way Stops

6. The effect of cellular phone use upon driver attention

7. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/National_Maximum_Speed_Law

      https://en.wikipedia.org/wiki/National_Maximum_Speed_Law

   2. Variance