According to FMCSA, 70% of rollover accidents involve driver error due to which factors?

• A. Speed, lack of attention, and quick move into overcorrect
• B. Weather conditions
• C. Vehicle maintenance issues
• D. Route planning errors

Answer: (A)

Rollover risk in commercial driving is closely tied to how a driver controls the vehicle. When speed is too high, a big vehicle’s center of gravity makes it easier for the vehicle to tip during turns, lane changes, or sudden maneuvers. If a driver is not paying full attention, they may miss warning signs, misjudge a curve, or fail to react quickly enough, increasing the chance of losing control. And when the vehicle starts to drift or skid, a rapid or abrupt steering correction can push the vehicle into a rollover, especially with a tall, heavy truck.

That’s why the best answer points to speed, lack of attention, and quick overcorrecting moves as the primary driver-related factors in rollovers. Weather, vehicle maintenance, and routing can contribute to accidents, but they are not the driver-error trio most strongly associated with rollover events.