Under which circumstance should you never attempt to pass a car ahead of you?

The correct answer highlights a fundamental rule of safe driving regarding roadway markings. When pavement markings indicate that it is prohibited to drive in the other lane, attempting to pass is not only illegal but also poses a significant safety risk. These markings are designed to ensure the safety of all road users by preventing potentially dangerous maneuvers in areas where visibility is limited or where other vehicles may be approaching.

In situations where pavement markings prohibit crossing into the other lane, passing another vehicle could lead to collisions with oncoming traffic or create hazardous conditions for cyclists and pedestrians. Therefore, adhering to these markings is essential for maintaining road safety.

The other situations mentioned could involve various factors that may affect the safety of passing but do not carry the same legal implications as disregarding pavement markings. For instance, passing on a straight road could be permissible if conditions allow, and traffic, in general, could also be considered in the context of safety when passing. However, following the rules signified by pavement markings is a non-negotiable aspect of safe driving practices.