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: Delaware Practice Test 19 Illinois Practice Test 4 Alabama Practice Test 39 Arizona Practice Test 19 Arkansas Practice Test 17 California Practice Test 41 Connecticut Practice Test 4 District Of Columbia Practice Test 8 Georgia Practice Test 13 Illinois Practice Test 27 Kansas Practice Test 8 Kentucky Practice Test 35 Maryland Practice Test 1 Mississippi Practice Test 30 New Mexico Practice Test 18 Rhode Island Practice Test 21 South Carolina Practice Test 28 South Dakota Practice Test 3 Tennessee Practice Test 24 Wisconsin Practice Test 46 Wyoming Practice Test 47 Alabama Practice Test 1 Arkansas Practice Test 19 California Practice Test 16 Connecticut Practice Test 5 Delaware Practice Test 10 Delaware Practice Test 29 District Of Columbia Practice Test 7 Georgia Practice Test 40 Illinois Practice Test 18 Kentucky Practice Test 7 Maryland Practice Test 18 Mississippi Practice Test 28 New Mexico Practice Test 1 South Carolina Practice Test 6 South Dakota Practice Test 19 Wisconsin Practice Test 40 Wyoming Practice Test 36 Alabama Practice Test 25 Arizona Practice Test 102 Arkansas Practice Test 38 California Practice Test 46 Connecticut Practice Test 9 Delaware Practice Test 7 District Of Columbia Practice Test 13 Georgia Practice Test 116 Illinois Practice Test 42 Iowa Practice Test 101 Kansas Practice Test 31 Kentucky Practice Test 22 Maine Practice Test 58 Maryland Practice Test 70 Mississippi Practice Test 77 Nebraska Practice Test 93 New Mexico Practice Test 210 New York Practice Test 145 Oklahoma Practice Test 99 Rhode Island Practice Test 93 South Carolina Practice Test 103 South Dakota Practice Test 68 Tennessee Practice Test 28 Wisconsin Practice Test 36 Wyoming Practice Test 103