Under what condition can you overtake a slower vehicle on the left?

Overtaking a slower vehicle on the left is generally permitted when the situation allows it, according to specific traffic regulations. The correct condition is when the vehicle in front is moving slower than the regulated speed limit. This implies that if a vehicle is traveling below the legal or safe speed for that road, it may create a hazardous situation for faster vehicles. Thus, overtaking on the left becomes necessary to maintain the flow of traffic and prevent disruptions.

In contexts where a vehicle is stopped, while it may seem logical to overtake it, doing so requires careful consideration of safety and legality, which may not always align with general overtaking rules. Traffic signs may regulate where and when overtaking can occur, but the specific condition of the vehicle’s speed is a fundamental rule. Lastly, when traffic is merging ahead, drivers are often advised to remain cautious, and overtaking might not be appropriate as it could lead to sudden changes in lane behavior and potential hazards.