Question If the road is wet, you should reduce your normal traveling speed by: Answers 5 to 10 mph. 15 to 20 mph. 25 mph. Half. Explanation If you are traveling on a wet road, you should reduce your normal traveling speed by 5 to 10 mph. Use extra caution when traveling on a slippery surface. Take a FREE Practice Test Now This questions appears in the following tests: Wyoming Practice Test