Truck escape ramps:
a. Cannot be used by certain types of heavy vehicles.
b. Are designed to protect vehicles from damage.
c. Should not be used unless you have first tried all other ways to save your vehicle after brake failure.
d. All of the above.
Answer: Are designed to protect vehicles from damage.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.