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 20 North Carolina Practice Test 8 Wisconsin Practice Test 42 Florida Practice Test 27 Florida Practice Test 47 Florida Practice Test 18 Hawaii Practice Test 29 Hawaii Practice Test 14 Idaho Practice Test 16 Indiana Practice Test 2 Iowa Practice Test 21 Louisiana Practice Test 38 Maine Practice Test 30 Massachusetts Practice Test 24 Michigan Practice Test 33 Michigan Practice Test 19 Minnesota Practice Test 40 Missouri Practice Test 11 Montana Practice Test 28 Montana Practice Test 8 Montana Practice Test 29 Nebraska Practice Test 14 Nevada Practice Test 36 New Hampshire Practice Test 28 New Jersey Practice Test 13 North Dakota Practice Test 14 Ohio Practice Test 21 Oklahoma Practice Test 6 Oregon Practice Test 16 Rhode Island Practice Test 5 Texas Practice Test 19 Utah Practice Test 18 Vermont Practice Test 13 Virginia Practice Test 23 Washington Practice Test 15 West Virginia Practice Test 20