When are you allowed to park on a road marked with a yellow line?

Parking on a road marked with a yellow line is not permitted under any circumstances. Yellow lines are generally used to indicate areas where parking is prohibited to ensure the flow of traffic and enhance safety. These lines help to keep the road clear for emergency vehicles and maintain adequate visibility for all road users.

While other choices might suggest conditions under which parking could be permissible, it is important to understand that yellow lines signal a strict no-parking rule to avoid congestion and other potential hazards. Therefore, the indication that it is illegal to park on such roads is not just a rule; it is a crucial traffic regulation designed to facilitate safe driving conditions.