CDL General Knowledge TestTransporting Cargo SafelyMedium
A driver is transporting a flatbed load of construction materials. The load is 6 feet high and 8 feet wide. Which of the following is the minimum number of tie-downs required for this load, assuming it is 15 feet long and weighs 25,000 pounds?
- A6 tie-downs
- B5 tie-downs
- C7 tie-downs
- D4 tie-downs
Show answer & explanationAnswer & explanation
Correct answer: A. 6 tie-downs
Federal regulations require one tie-down for every 10 feet of cargo length, and at least two tie-downs regardless of cargo length. Additionally, if the cargo is not blocked or braced, it must have one tie-down for every 5 feet of length. Since the cargo is 15 feet long and weighs 25,000 pounds, and no blocking is mentioned, it requires one tie-down for every 5 feet, which is 15/5 = 3 sections. Each section needs 2 tie-downs, so 3 sections * 2 tie-downs/section = 6 tie-downs.
Why the other options are wrong
- B. This is incorrect; the calculation for tie-downs based on length and weight requires more.
- C. This exceeds the minimum requirement, though more tie-downs are always safer.
- D. This would be insufficient for the length and weight of the load without blocking.
Minimum Tie-Downs for Unblocked Cargo
For cargo not blocked or braced against movement, there must be at least one tie-down for every 5 feet of cargo length.
- Applies to flatbed loads without blocking.
- Ensures adequate securement against shifting.
- Minimum of two tie-downs always required.
Memory trick: Tie down your load, count every five feet, or risk a fine and a bad street.