Question You wish to drive a heavy truck in Hawaii. You must: Answers Be at least 21 years old. Have a valid driver license for the category of vehicle you wish to drive. Have no special qualifications. Drive the truck only on truck routes. Explanation Drivers of large vehicles must hold a valid license for the category of vehicle being driven. Information on all types of driver licenses may be found in the Hawaii Drivers Manual. Pass your DMV Written Test with flying colors Take me to the cheat sheet Hawaii This questions appears in the following tests: Hawaii Practice Test 4 Hawaii Practice Test 2