Question Certain highway signs require drivers to obey an indicated instruction. Such signs are known as: Answers Regulatory signs. Warning signs. Information signs. Guide signs. Explanation Regulatory signs require drivers to obey an indicated instruction. Failure to comply is subject to penalty. Pass your DMV Written Test with flying colors Take me to the cheat sheet Hawaii This questions appears in the following tests: Alaska Practice Test 7 Florida Practice Test 23 Florida Practice Test 34 Hawaii Practice Test 2 Hawaii Practice Test 8 Idaho Practice Test 14 Indiana Practice Test 10 Indiana Practice Test 34 Iowa Practice Test 5 Louisiana Practice Test 9 Louisiana Practice Test 23 Maine Practice Test 56 Massachusetts Practice Test 5 Michigan Practice Test 10 Michigan Practice Test 26 Minnesota Practice Test 21 Minnesota Practice Test 11 Missouri Practice Test 20 Montana Practice Test 16 Nebraska Practice Test 19 Nevada Practice Test 37 Nevada Practice Test 34 New Hampshire Practice Test 31 New Hampshire Practice Test 18 New Jersey Practice Test 50 New Jersey Practice Test 17 North Carolina Practice Test 3 North Dakota Practice Test 16 Ohio Practice Test 4 Oklahoma Practice Test 6 Oregon Practice Test 35 Rhode Island Practice Test 28 Texas Practice Test 20 Utah Practice Test 3 Vermont Practice Test 9 Virginia Practice Test 13 Washington Practice Test 3 West Virginia Practice Test 3 Wisconsin Practice Test 42