Question This sign means: Answers Railroad ahead. No passing zone. School zone. Explanation A round yellow sign indicates that there is a railroad crossing ahead. 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 10 Alabama Practice Test 33 Arizona Practice Test 17 Arizona Practice Test 13 Arkansas Practice Test 2 California Practice Test 30 Connecticut Practice Test 19 Delaware Practice Test 20 Delaware Practice Test 12 District Of Columbia Practice Test 10 Georgia Practice Test 33 Georgia Practice Test 29 Illinois Practice Test 25 Illinois Practice Test 15 Iowa Practice Test 25 Kansas Practice Test 3 Kentucky Practice Test 38 Kentucky Practice Test 2 Maine Practice Test 40 Maryland Practice Test 24 Mississippi Practice Test 8 Mississippi Practice Test 17 Rhode Island Practice Test 15 South Dakota Practice Test 13 Tennessee Practice Test 20 Wisconsin Practice Test 29 Wyoming Practice Test 46 Wyoming Practice Test 33