Question 1

Under federal rules, when must a driver first check that cargo is properly secured after beginning a trip?

Accepted Answer

Within the first 50 miles, then again every 150 miles or 3 hours, whichever comes first — Federal rules require an initial cargo check within the first 50 miles, with follow-up checks every 150 miles or 3 hours, whichever comes first.

Question 2

Why is properly securing cargo before a trip so important for a commercial vehicle?

Accepted Answer

Shifting cargo can throw off the vehicle’s balance and handling, increasing rollover and control risk — Unsecured cargo that shifts in transit can change a vehicle’s center of gravity and handling characteristics, raising the risk of a rollover or loss of control.

Question 3

Why is exceeding a vehicle’s Gross Vehicle Weight Rating (GVWR) a safety problem, not just a legal one?

Accepted Answer

It can compromise braking, handling, and structural integrity beyond the vehicle’s design limits — A vehicle loaded beyond its GVWR can suffer degraded braking and handling, and can stress components beyond what they were designed to safely carry.

Question 4

What is the purpose of a front-end header board on a flatbed trailer?

Accepted Answer

To help stop cargo from sliding forward into the cab during hard braking — A header board acts as a barrier that helps keep cargo from sliding forward into the cab if the vehicle brakes hard or stops suddenly.

Question 5

Why must cargo weight be distributed appropriately across a vehicle’s axles, not just kept under the total weight limit?

Accepted Answer

Overloading a single axle can violate weight limits and affect handling even if total weight is legal — Even when total vehicle weight is within limits, an overloaded individual axle can still violate weight rules and negatively affect handling and braking.

Question 6

What is the purpose of blocking and bracing cargo, in addition to using tie-downs?

Accepted Answer

To keep cargo from shifting sideways, forward, or backward inside the vehicle — Blocking and bracing physically restrict cargo movement in directions tie-downs alone may not fully control, preventing shifting during the trip.

Cargo Securement Practice Questions