Question You may drive in an HOV lane if: Answers You are driving more quickly than the flow of traffic. You are driving more slowly than the flow of traffic. Your vehicle has multiple occupants. You are trying to get somewhere quickly. Explanation Some highways reserve the left lane for vehicles with multiple occupants. These High Occupancy Vehicle (HOV) lanes are identified by signs and diamond pavement symbols. Pass your DMV Written Test with flying colors Take me to the cheat sheet Massachusetts This questions appears in the following tests: Massachusetts Practice Test 14 Massachusetts Practice Test 6