Question What is the number one killer on Montana’s roads? Answers Poor or unkempt roads Inclement weather/driving conditions Drunk drivers Excessive speed Explanation Nationally, over 23,000 deaths occur yearly as a direct result of drunk driving. In Montana, 50 percent of all traffic fatalities and over 2,100 injuries are alcohol-related. Drunk drivers are the number one cause of fatalities on Montana's roads. Pass your DMV Written Test with flying colors Take me to the cheat sheet Montana This questions appears in the following tests: Montana Practice Test 14 Montana Practice Test 20