When is it illegal to pass a vehicle?

Passing a vehicle is generally considered illegal at intersections, on hills, and on curves for several important safety reasons. At an intersection, visibility is limited and the risk of colliding with other vehicles or pedestrians increases significantly. When passing on hills or curves, drivers often cannot see approaching traffic, which creates a dangerous situation where a collision could occur.

The law aims to minimize these risks by designating specific areas where passing is prohibited. In these situations, it is crucial for drivers to remain vigilant and adhere to the road rules to ensure both their safety and the safety of others. This is why the correct answer emphasizes the specific locations where passing is not permitted, highlighting the importance of caution and road awareness in those contexts.