Question This sign is used to warn drivers: Answers That the right lane ends and traffic should merge left. That the road curves ahead. About upcoming intersections. About road construction. Explanation This sign indicates that the right lane on a multilane roadway ends ahead. Traffic in the right lane must merge left. Take a FREE Practice Test Now This questions appears in the following tests: New Mexico Practice Test Minnesota Practice Test North Carolina Practice Test Ohio Practice Test Kentucky Practice Test Wisconsin Practice Test Colorado Practice Test Louisiana Practice Test New Hampshire Practice Test New Jersey Practice Test