Question This sign means: Answers Watch for trucks. Do not pass trucks. Truck parking area ahead. Steep downgrade ahead. Explanation This sign warns of the presence of a hill ahead. Take a FREE Practice Test Now This questions appears in the following tests: Oregon Practice Test Virginia Practice Test Louisiana Practice Test Ohio Practice Test North Carolina Practice Test Maine Practice Test Nevada Practice Test Florida Practice Test Indiana Practice Test Oklahoma Practice Test Nebraska Practice Test Washington Practice Test Michigan Practice Test New Hampshire Practice Test Texas Practice Test Montana Practice Test Colorado Practice Test Iowa Practice Test Idaho Practice Test New Jersey Practice Test Hawaii Practice Test Minnesota Practice Test South Carolina Practice Test North Dakota Practice Test Missouri Practice Test Utah Practice Test Vermont Practice Test Massachusetts Practice Test West Virginia Practice Test Wisconsin Practice Test