No. 1 Dumbest: New Jersey
Average Score: 69.9%

For the first time ever, New Jersey drivers rank as the dumbest. And to throw salt on the wound, they have the lowest average score ever. No score has been below 70 percent before.

Random Fact:
While average test scores between the genders were similar, women were more likely to fail the test than men (20 percent versus 13 percent)