Question What does a single dashed white line separating traffic mean? Answers Drivers may pass, even if it could be dangerous. Lanes move in opposite directions. Drivers may not pass. Drivers may pass if it is safe to do so. Explanation White lines separate lanes of traffic that are moving in the same direction. Dashed white lines may be crossed to pass or change lanes, if it is safe to do so. Pass your DMV Written Test with flying colors Take me to the cheat sheet Wisconsin This questions appears in the following tests: New York Practice Test 5 Colorado Practice Test 3 Colorado Practice Test 15 District Of Columbia Practice Test 19 Florida Practice Test 26 Hawaii Practice Test 3 Hawaii Practice Test 7 Idaho Practice Test 39 Idaho Practice Test 8 Indiana Practice Test 41 Iowa Practice Test 5 Louisiana Practice Test 40 Louisiana Practice Test 10 Maine Practice Test 17 Massachusetts Practice Test 20 Michigan Practice Test 20 Minnesota Practice Test 11 Minnesota Practice Test 17 Missouri Practice Test 9 Montana Practice Test 15 Montana Practice Test 16 Nebraska Practice Test 8 Nebraska Practice Test 6 Nevada Practice Test 4 New Hampshire Practice Test 39 New Hampshire Practice Test 18 New Jersey Practice Test 50 New York Practice Test 6 North Carolina Practice Test 18 North Carolina Practice Test 12 North Dakota Practice Test 23 North Dakota Practice Test 7 Oklahoma Practice Test 7 Oklahoma Practice Test 18 Oregon Practice Test 28 Oregon Practice Test 13 Oregon Practice Test 32 Texas Practice Test 4 Utah Practice Test 19 Vermont Practice Test 16 Vermont Practice Test 1 Virginia Practice Test 28 Washington Practice Test 24 Washington Practice Test 4 Wisconsin Practice Test 29 Wisconsin Practice Test 23