Question You must stop at a railroad crossing when: Answers Directed to do so by a flagger. It is controlled by a stop sign. Flashing red signals and gates are present and operating. All of the above. Explanation You must stop at a railroad crossing when directed to do so by a flagger or stop sign. Stop when flashing red signals and gates are present and operating. Pass your DMV Written Test with flying colors Take me to the cheat sheet South Carolina This questions appears in the following tests: Alaska Practice Test 16 Colorado Practice Test 14 District Of Columbia Practice Test 1 Florida Practice Test 30 Hawaii Practice Test 29 Idaho Practice Test 11 Indiana Practice Test 30 Iowa Practice Test 9 Louisiana Practice Test 20 Maine Practice Test 1 Massachusetts Practice Test 22 Michigan Practice Test 11 Minnesota Practice Test 22 Missouri Practice Test 13 Montana Practice Test 17 Nevada Practice Test 11 Nevada Practice Test 26 Nevada Practice Test 40 New Hampshire Practice Test 17 New Jersey Practice Test 8 New York Practice Test 11 North Carolina Practice Test 9 North Dakota Practice Test 15 Oklahoma Practice Test 8 Oregon Practice Test 29 Rhode Island Practice Test 29 South Carolina Practice Test 18 Utah Practice Test 7 Vermont Practice Test 18 Virginia Practice Test 27 Washington Practice Test 9 West Virginia Practice Test 15 Wisconsin Practice Test 22