You do not have to stop for a school bus that is stopped with its red lights flashing if it is on a private road.

The correct answer is based on the laws regarding school bus safety and the importance of protecting children while they enter or exit a school bus. In Iowa, as in many other states, the law requires drivers to stop when they see a school bus with its red lights flashing. This rule applies regardless of whether the bus is on a public roadway or a private road, such as those found in residential areas or school premises.

The purpose of this law is to ensure the safety of children who may be crossing the road to board or after leaving the bus. Therefore, stopping for a school bus with flashing lights is a critical measure to prevent accidents and protect young pedestrians. Even if a bus is on private property, the same responsibility to stop applies.