What is the speed limit for a primary highway located outside an urban area is?

The speed limit for a primary highway located outside an urban area typically ranges from 55 to 65 miles per hour (mph) in the United States, although this can vary by state. Some states may allow higher limits, especially on certain interstate highways, where speeds can reach up to 75 mph or more. It's essential to check local regulations for specific speed limits, as they can differ based on road conditions and safety considerations.