Question This sign indicates a: Answers Railroad crossing. Pedestrian crossing. No passing zone. Explanation Yellow signs with black markings are used to warn drivers about upcoming hazards or special conditions. Round signs are used only to warn about upcoming railroad crossings. Pass your DMV Written Test with flying colors Take me to the cheat sheet District Of Columbia This questions appears in the following tests: Kentucky Practice Test 12 Tennessee Practice Test 3 Arizona Practice Test 9 Arizona Practice Test 8 Arkansas Practice Test 8 California Practice Test 45 Connecticut Practice Test 4 Delaware Practice Test 7 Delaware Practice Test 20 District Of Columbia Practice Test 14 Georgia Practice Test 40 Georgia Practice Test 33 Illinois Practice Test 8 South Dakota Practice Test 10 Wisconsin Practice Test 14 Wyoming Practice Test 38 Alabama Practice Test 59 Arizona Practice Test 5 Arkansas Practice Test 65 California Practice Test 108 Connecticut Practice Test 64 Delaware Practice Test 33 District Of Columbia Practice Test 185 Georgia Practice Test 99 Illinois Practice Test 17 Iowa Practice Test 101 Kansas Practice Test 84 Kentucky Practice Test 25 Maine Practice Test 108 Maryland Practice Test 87 Mississippi Practice Test 3 Nebraska Practice Test 52 New Mexico Practice Test 3 New York Practice Test 84 Oklahoma Practice Test 60 Rhode Island Practice Test 24 South Carolina Practice Test 151 South Dakota Practice Test 30 Tennessee Practice Test 106 Wisconsin Practice Test 125 Wyoming Practice Test 33 Arizona Practice Test 13 Arkansas Practice Test 14 California Practice Test 13 Connecticut Practice Test 4 District Of Columbia Practice Test 23 Georgia Practice Test 16 Illinois Practice Test 20 Kentucky Practice Test 9 South Dakota Practice Test 3 Tennessee Practice Test 11 Wisconsin Practice Test 34 Wyoming Practice Test 29