Final answer:
A driver does not have to stop for a school bus when traveling on the opposite side of a divided highway with a median separation. This is the exception to the rule that drivers must stop for a school bus with flashing red lights to protect student safety. Other traffic laws should also be followed to ensure the safety of all road users.
Step-by-step explanation:
The one situation where a driver does not have to stop for a school bus is when the driver is on the opposite side of a divided highway with a median separation. In this case, the driver is not required to stop because the physical barrier ensures that students do not cross the highway, thus reducing the risk of an accident. However, in all other scenarios without a divided highway or physical barrier, drivers must always stop for a school bus with flashing red lights and an extended stop sign, as children may be crossing the road.
In comparison to the given scenarios where breaking traffic laws may seem justifiable under certain extreme circumstances, like rushing a pregnant woman to the hospital, it is critical to understand that these instances are exceptions to the rules made for public safety. Motorists are generally expected to obey all traffic laws, including stopping at traffic lights and adhering to speed limits, to ensure the safety of all road users, including pedestrians and other drivers. It's important to note that when it comes to school bus safety, the primary concern is the well-being of students. The safety rules are strict because children are among the most vulnerable road users, and their safety takes precedence over drivers' convenience. Hence, although there are rare exceptions where drivers might not stop for school buses, motorists should always prioritize caution and adhere to the rules designed to protect student safety.