High Occupancy Vehicle (HOV) lanes: Question High Occupancy Vehicle (HOV) lanes: Answers May be used by motorcyclists. May be used by motorcyclists, but only on the weekend. Can never be used by motorcyclists. Explanation In Tennessee, 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: Tennessee Motorcycle Practice Test 23