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: Colorado Practice Test 22 District Of Columbia Practice Test 25 Florida Practice Test 50 Hawaii Practice Test 28 Idaho Practice Test 27 Idaho Practice Test 6 Indiana Practice Test 47 Indiana Practice Test 42 Iowa Practice Test 11 Louisiana Practice Test 5 Louisiana Practice Test 1 Maine Practice Test 39 Massachusetts Practice Test 8 Michigan Practice Test 38 Michigan Practice Test 5 Minnesota Practice Test 27 Missouri Practice Test 10 Montana Practice Test 4 Nebraska Practice Test 4 Nevada Practice Test 18 New Hampshire Practice Test 14 New Hampshire Practice Test 25 New Jersey Practice Test 49 New Jersey Practice Test 5 New York Practice Test 4 North Carolina Practice Test 34 North Dakota Practice Test 25 Oklahoma Practice Test 15 Oregon Practice Test 29 Texas Practice Test 29 Utah Practice Test 7 Vermont Practice Test 15 Virginia Practice Test 21 Washington Practice Test 19 Wisconsin Practice Test 50 Wisconsin Practice Test 40