Question A yellow and black diamond-shaped sign: Answers Warns you about conditions on or near the road. Helps direct you to cities and towns ahead. Tells you about traffic laws and regulations. Tells you about road construction ahead. Explanation Warning signs, which tell you about conditions on or near the road ahead, are usually diamond-shaped with black symbols or words on a yellow background. Take a FREE Practice Test Now This questions appears in the following tests: Hawaii Practice Test Indiana Practice Test Oregon Practice Test Massachusetts Practice Test Ohio Practice Test New Jersey Practice Test Florida Practice Test Idaho Practice Test North Carolina Practice Test New Hampshire Practice Test Vermont Practice Test Pennsylvania Practice Test Michigan Practice Test Wisconsin Practice Test Utah Practice Test Iowa Practice Test Montana Practice Test Washington Practice Test North Dakota Practice Test Texas Practice Test Nevada Practice Test Missouri Practice Test Maine Practice Test Louisiana Practice Test Alaska Practice Test New Mexico Practice Test Minnesota Practice Test Colorado Practice Test Virginia Practice Test West Virginia Practice Test