What is the number one cause of death and injury in a work zone? Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Alabama Do you currently have motorcycle insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance. Click here to compare rates from our insurance partner. Question What is the number one cause of death and injury in a work zone? Answers Drivers speeding Slow drivers Animals crossing the road Explanation Speeding is the leading cause of death and injury in work zones. Use extra caution when driving near workers in a work zone. This questions appears in the following tests: Arizona Class B Knowledge Test Connecticut Class B Knowledge Test Hawaii Class A Knowledge Test Idaho Bus Louisiana Class B Knowledge Test Maine Tank Maryland Class A Knowledge Test Michigan Class B Knowledge Test Montana Tank Nevada Tank New Hampshire Class A Knowledge Test Ohio Class A Knowledge Test Vermont Class B Knowledge Test Virginia Class A Knowledge Test