Question This sign indicates: Answers The distance from road surface to a bridge or overpass. The maximum legal height of a vehicle allowed in this state. The maximum width of a vehicle allowed on the highway. Explanation This is a low clearance warning sign. It indicates the distance from the road surface to the bottom of a bridge or overpass (in this case, 12 feet, 6 inches). This questions appears in the following tests: Wyoming Practice Test South Dakota Practice Test Connecticut Practice Test Georgia Practice Test California Practice Test Mississippi Practice Test New York Practice Test Alabama Practice Test Delaware Practice Test District Of Columbia Practice Test Illinois Practice Test Maryland Practice Test Tennessee Practice Test Arkansas Practice Test Arizona Practice Test Kentucky Practice Test Nebraska Practice Test Maine Practice Test Kansas Practice Test Wisconsin Practice Test