When is overtaking and passing to the right not allowed?

Overtaking and passing to the right is not allowed when you must drive off the paved portion of the highway. This is because safely overtaking another vehicle requires maintaining control of your vehicle and staying on the roadway. Driving off the paved surface can increase the risk of losing control, encountering obstacles, or causing a collision. It is essential to stay within marked lanes and only pass on the right when it is safe and legal to do so, adhering to the roadway's structure. This rule ensures that drivers are taking necessary precautions on the road, promoting overall safety for all vehicle operators.

The other scenarios listed may have their own rules, but they don't necessarily prohibit passing to the right as clearly as the safety concerns related to driving off the paved roadway do. For instance, vehicles turning left or traffic congestion might present challenges, but they do not create the same level of risk associated with leaving the pavement.