Practice question Hydroplaning occurs when: Tires lose traction with the surface of the road.Tires have increased traction with the surface of the road.Front tires have more traction that rear tires.Front tires have less traction than rear tires. Answer: A — Tires lose traction with the surface of the road. The correct answer is shown above. Try the full quiz for additional practice. Practice more: Indiana CDL Class A Knowledge Test 1 →