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 14 Washington Practice Test 24 Colorado Practice Test 24 District Of Columbia Practice Test 17 Florida Practice Test 6 Florida Practice Test 21 Florida Practice Test 2 Hawaii Practice Test 25 Hawaii Practice Test 19 Idaho Practice Test 35 Indiana Practice Test 16 Iowa Practice Test 9 Louisiana Practice Test 10 Maine Practice Test 16 Massachusetts Practice Test 8 Michigan Practice Test 13 Minnesota Practice Test 18 Missouri Practice Test 13 Montana Practice Test 8 Nevada Practice Test 17 New Hampshire Practice Test 4 New Jersey Practice Test 23 New York Practice Test 13 North Carolina Practice Test 17 North Carolina Practice Test 8 North Dakota Practice Test 4 North Dakota Practice Test 24 Oklahoma Practice Test 16 Oregon Practice Test 20 Oregon Practice Test 8 Oregon Practice Test 28 Rhode Island Practice Test 13 South Carolina Practice Test 30 Utah Practice Test 18 Vermont Practice Test 11 Virginia Practice Test 33 West Virginia Practice Test 16 Wisconsin Practice Test 46