Question This sign means: Answers No right turn. Keep right. No U-turn. Left lane must turn left. Explanation Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. This regulation sign means that right turns are prohibited. Pass your DMV Written Test with flying colors Take me to the cheat sheet Indiana This questions appears in the following tests: Colorado Practice Test 2 Florida Practice Test 10 Florida Practice Test 42 Hawaii Practice Test 28 Idaho Practice Test 39 Idaho Practice Test 8 Indiana Practice Test 11 Indiana Practice Test 31 Iowa Practice Test 32 Louisiana Practice Test 38 Maine Practice Test 34 Massachusetts Practice Test 18 Michigan Practice Test 11 Michigan Practice Test 21 Minnesota Practice Test 36 Minnesota Practice Test 8 Montana Practice Test 31 Nevada Practice Test 16 Nevada Practice Test 2 New Hampshire Practice Test 30 New Hampshire Practice Test 9 New Jersey Practice Test 27 New Jersey Practice Test 5 New York Practice Test 4 North Carolina Practice Test 30 North Carolina Practice Test 6 North Dakota Practice Test 4 Ohio Practice Test 32 Oklahoma Practice Test 2 Oregon Practice Test 29 Texas Practice Test 13 Utah Practice Test 24 Virginia Practice Test 2 Virginia Practice Test 3 Washington Practice Test 20 West Virginia Practice Test 23 Wisconsin Practice Test 2