Question When a combination vehicle goes around a corner: Answers The vehicle must use at least two lanes. The front and rear wheels will move in different paths. It is best to allow the rear wheels to drive over the curb. Explanation When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers. Take a FREE Practice Test Now This questions appears in the following tests: Rhode Island Tank , Idaho Combination , Missouri Combination , Nevada Combination , Wyoming Combination ,