Question Motorcyclists may use High Occupancy Vehicle (HOV) lanes: Answers At any time. Only if they are carrying a passenger. Only on weekends. Only between the hours of 8 a.m. and 5 p.m. Explanation In Utah, motorcyclists are allowed to use designated High Occupancy Vehicle (HOV) lanes, regardless of the number of riders on their motorcycles. This questions appears in the following tests: Utah Motorcycle Practice Test 6