What is the maximum speed limit on interstate highways in North Carolina?

Answer: C — 70 mph

In North Carolina, the maximum speed limit on interstate highways is set at 70 mph. This speed limit is established to ensure that vehicles can travel efficiently and safely while accommodating the higher speeds that highways are designed for. Interstate highways typically have fewer intersections and traffic signals, allowing for sustained high-speed travel. It is important to note that while 70 mph is the maximum speed limit, drivers should always adjust their speed according to road conditions, traffic flow, and weather, as driving safely is the top priority.