Question This road sign means: Answers Sharp turn to the right ahead. Upcoming sharp left and right turns. Winding road ahead. Explanation Warning signs are usually yellow with black markings. This sign warns the driver that there is an upcoming winding road. Speed should be adjusted appropriately. Take a FREE Practice Test Now This questions appears in the following tests: Tennessee Practice Test California Practice Test Kansas Practice Test South Dakota Practice Test Idaho Practice Test Virginia Practice Test Nebraska Practice Test Wyoming Practice Test Alabama Practice Test