Do drunk driving laws apply only to cars and trucks? No. Drunk driving laws apply to all motorized vehicles, including boats, mopeds, motorcycles, and even ride-on mowers. Information is power. Share it!FacebookTwitterGoogle+PinterestRelated Topics What is a DUI? What happens if I am stopped for drunk driving? What are the penalties for driving under the influence of alcohol or drugs? Are there different laws relating to driving under the influence under age 21? Is it true that I can lose my license before I am convicted?