Hydroplaning occurs when: Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance. Click here to compare rates from our insurance partner. Question Hydroplaning occurs when: Answers 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. Explanation Hydroplaning is an effect that occurs on wet roads when tires lose traction with the road surface and begin gliding along on a layer of water. This questions appears in the following tests: Indiana Class A Knowledge Test Massachusetts Class A Knowledge Test Mississippi Class B Knowledge Test