Question This road sign means: Answers Do not enter. Roundabout ahead. No U-turns. Explanation Regulatory signs provide notice to road users of traffic laws that must be obeyed. This sign tells drivers that it is prohibited to make a U-turn. This questions appears in the following tests: Alabama Practice Test 5 Alabama Practice Test 22 Arizona Practice Test 20 Arkansas Practice Test 8 Connecticut Practice Test 10 Delaware Practice Test 7 Delaware Practice Test 19 District Of Columbia Practice Test 11 Georgia Practice Test 1 Georgia Practice Test 12 Illinois Practice Test 6 Illinois Practice Test 10 Kansas Practice Test 21 Kentucky Practice Test 7 Kentucky Practice Test 21 Maine Practice Test 10 Maryland Practice Test 3 Maryland Practice Test 23 Mississippi Practice Test 19 New Mexico Practice Test 16 South Dakota Practice Test 17 Tennessee Practice Test 10 Wisconsin Practice Test 18 Wyoming Practice Test 1 Wyoming Practice Test 12 California Practice Test 21