Which statement concerning speed limits on the open road in North Carolina is correct?

In North Carolina, speed limits on the open road can be somewhat nuanced and vary based on specific conditions. The statement that the speed limit for passenger cars and pickup trucks is 65 mph unless otherwise posted is not universally applicable, as there are different speed limits for various types of roads and specific conditions like construction zones or areas near schools.

When it comes to school activity buses, while their speed limit is indeed 35 mph in certain circumstances, this is specifically applicable when they are actively loading or unloading children or when they are operating in a school zone, rather than as a blanket speed limit for all situations.

Understanding these nuances is crucial in interpreting the rules accurately. Therefore, given the varying circumstances under which different speed limits apply, the selection is not correct if both statements do not hold true universally without special conditions.