Question This road sign means: Answers All traffic must turn right. All traffic must go straight. A side road intersects ahead. Explanation Warning signs provide notice to road users of a situation that might not be readily apparent and are usually yellow with black markings. This warning sign tells drivers to be alert to an intersecting side road ahead. Take a FREE Practice Test Now This questions appears in the following tests: Tennessee Practice Test South Dakota Practice Test Kansas Practice Test Alabama Practice Test Delaware Practice Test