(67/91) Collisions can happen more often when:

Accuracy: 47.1% AI Difficulty: 5

One vehicle is traveling faster or slower than the flow of traffic. ll vehicles are traveling about the same speed. One lane of traffic is traveling faster than the other lanes.

Previous Next

Explanation

AI Difficulty Assessment

Question Analysis

This question tests understanding of traffic flow dynamics and the potential causes of collisions based on speed variations among vehicles. In California, maintaining a consistent flow of traffic is emphasized to prevent accidents. The California Driver Handbook advises that sudden changes in speed, especially when one lane moves faster than another, can lead to accidents. This understanding is crucial for safe driving practices.

Correct Answer Analysis

Correct Answer: One lane of traffic is traveling faster than the other lanes.

The correct choice is 'One lane of traffic is traveling faster than the other lanes.' This scenario creates conditions for side-swipe accidents or rear-end collisions as drivers in slower lanes may attempt to merge into faster lanes, underestimating or misjudging the speed of vehicles in those lanes. California Vehicle Code Section 21755 warns about the dangers of passing on the right, which is more likely to happen when one lane is moving significantly faster.

Wrong Options Analysis

Option: One vehicle is traveling faster or slower than the flow of traffic.

While this can be dangerous, it typically emphasizes the risk posed by an individual vehicle's speed relative to others, rather than the overall dynamics between lanes. The incorrect focus misses the question's specific concern about entire lanes moving at different speeds, which presents frequent and predictable scenarios for collisions.

Option: All vehicles are traveling about the same speed.

This situation is generally safer, as uniform speed across vehicles reduces the need for frequent lane changes or passing maneuvers, both of which increase collision risk. The misconception might be that uniform speed implies congestion risks, but in reality, predictable, steady flow decreases accident likelihood.

About this California Class C License question

This question is part of the America California (CA) Class C License knowledge test question bank. Read the explanation above, then browse more questions on the same topic below.

Confirm the rule in the official source: California Driver’s Handbook

Practise by topic

Traffic Signs & Signals Right of Way & Intersections Speed Limits & Following Distance Impaired Driving & Penalties Parking & Stopping Rules Highway & Freeway Driving Bad Weather & Night Driving Sharing the Road

(67/91) Collisions can happen more often when:

Explanation

About this California Class C License question

Practise by topic

Related Questions