Question 39 of 403

Why do you need more space on the sides of your vehicle when driving a large commercial vehicle compared to a car?

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It mainly protects the mirrors from clipping nearby objects, not the vehicle's overall control
It is only needed in bad weather
The vehicle takes up more of the lane and needs room to react to other drivers merging or drifting
It improves fuel economy

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Correct answer to question 39 (General Knowledge): The vehicle takes up more of the lane and needs room to react to other drivers merging or drifting

Why

A wide, long vehicle has less margin for error, so keeping extra space to the sides gives you room to react if another driver merges or drifts into your path.

Updated: November 2026

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Why do you need more space on the sides of your vehicle when driving a large commercial vehicle compared to a car?

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