Question Cars begin to lose traction and hydroplane at a speed of 70 mph. Answers True False Explanation On wet roadways, cars may begin to lose traction and hydroplane at speeds as low as 35 mph. When this happens, a driver loses control of their vehicle. Slow down when driving in rain. Pass your DMV Written Test with flying colors Take me to the cheat sheet Nevada This questions appears in the following tests: Nevada Practice Test 26 Nevada Practice Test 10