Which of the following statements is true?
A. On a road with three or more lanes traveling in the same direction, you may drive on the shoulder of the road.
B. Some trucks are required by law to stop at railroad crossings.
C. Trucks, tractor-trailers, buses and recreational vehicles (RVs)- including motor homes, campers and travel trailers-accelerate slowly and require shorter stopping and turning distances.
D. all of the above
Answer: B. Some trucks are required by law to stop at railroad crossings.
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