Question This sign is a: Answers Service sign. Regulatory sign. Warning sign. Stop sign. Explanation Warning signs are usually diamond-shaped and yellow with black lettering or symbols. They warn drivers about special situations or potential hazards ahead. Take a FREE Practice Test Now This questions appears in the following tests: Illinois Practice Test Minnesota Practice Test Oregon Practice Test Ohio Practice Test Maine Practice Test New Jersey Practice Test Mississippi Practice Test Nevada Practice Test Rhode Island Practice Test South Carolina Practice Test Utah Practice Test Arkansas Practice Test Nebraska Practice Test District Of Columbia Practice Test Montana Practice Test New Mexico Practice Test
