Question This sign means: Answers No U-turn. Two-way left turn. Minimum speed limit. No parking. Explanation Regulation signs regulate traffic speed and movement, displaying rules which drivers must obey. Wherever this regulation sign is posted, U-turns are not permitted. Take a FREE Practice Test Now This questions appears in the following tests: Montana Practice Test Oklahoma Practice Test Nevada Practice Test Hawaii Practice Test Idaho Practice Test Alaska Practice Test North Carolina Practice Test District Of Columbia Practice Test Michigan Practice Test New Mexico Practice Test Oregon Practice Test Ohio Practice Test New Jersey Practice Test Minnesota Practice Test Indiana Practice Test Iowa Practice Test Utah Practice Test Massachusetts Practice Test New Hampshire Practice Test Maine Practice Test Florida Practice Test Virginia Practice Test Texas Practice Test Rhode Island Practice Test Louisiana Practice Test Washington Practice Test New York Practice Test West Virginia Practice Test Colorado Practice Test North Dakota Practice Test Missouri Practice Test Vermont Practice Test Wisconsin Practice Test