Question 1 / 20 0% Correct What does this road sign indicate? A Steep hill, trucks use low gear B Truck stop ahead C No trucks allowed D Trucks must use this lane Continue Continue Answer Explanation This sign is a regulatory sign that means trucks are prohibited from using this road or entering this area. The red circle with a diagonal slash is a universal symbol for prohibition. A. Steep hill, trucks use low gear 30% B. Truck stop ahead 22% C. No trucks allowed 28% D. Trucks must use this lane 20% Continue