Question This sign means: Answers No passing zone. Slow-moving vehicle. Two-way traffic. Explanation A triangular yellow sign with black lettering indicates a no passing zone. It will appear on the left side of a two-way, two-lane roadway at the beginning of an area where prohibitive pavement markings are also used. Pass your DMV Written Test with flying colors Take me to the cheat sheet Illinois This questions appears in the following tests: Alabama Practice Test 40 Alabama Practice Test 30 Arizona Practice Test 1 California Practice Test 15 Connecticut Practice Test 12 Delaware Practice Test 6 Delaware Practice Test 3 Georgia Practice Test 11 Georgia Practice Test 12 Illinois Practice Test 13 Illinois Practice Test 13 Illinois Practice Test 30 Maine Practice Test 7 Mississippi Practice Test 24 Mississippi Practice Test 14 South Dakota Practice Test 12 Wyoming Practice Test 39 Arkansas Practice Test 31 California Practice Test 60 Connecticut Practice Test 79 Iowa Practice Test 33 Kentucky Practice Test 20 New Mexico Practice Test 16 South Carolina Practice Test 53 South Dakota Practice Test 37 Tennessee Practice Test 7 Wisconsin Practice Test 112