Roadways are the most slippery: 2026 Pennsylvania Permit Test Question Roadways are the most slippery: Answers During a heavy downpour. After it has been raining for awhile. During the first rain after a dry spell. Explanation Many roads are most slippery during the first rain after a dry spell because oil and dust on the road have not previously been washed away. See the exact questions that will be on the 2026 Pennsylvania DMV exam. 99.2% of people who use the cheat sheet pass the FIRST TIME Click HereFull Cheat Sheet Unlock Your Exclusive Cheat Sheet! This questions appears in the following tests: California Practice Test 29 California Practice Test 36