Final answer:
The closest answer to the typical maximum speed limit for passenger vehicles in certain rural areas of Virginia interstates is 65 mph. The actual maximum speed can reach up to 70 mph.
Step-by-step explanation:
The maximum permitted speed for passenger vehicles on Virginia interstate highways in certain rural areas, unless otherwise posted, is 70 mph.
However, this is not one of the options provided in your question. The closest answer to the typical maximum speed limit in rural areas on Virginia interstates would be 65 mph. While there might be fluctuations due to different speed zones, for certain rural parts of the interstate highways in Virginia, the maximum speed limit can reach up to 70 mph.