What is the maximum speed limit on interstate highways in Pennsylvania?

The maximum speed limit on interstate highways in Pennsylvania is 65 mph. This speed limit is designed to promote safe and efficient travel while taking into account the flow of traffic and road conditions typically found on interstate routes. Interstate highways are built for high-speed travel, and the 65 mph limit helps ensure that vehicles can navigate these roads quickly while maintaining safety for all drivers. This limit is enforced by law and is applicable in most cases, although there may be specific sections where the limit could be lower due to construction or other safety considerations.