What is the maximum speed limit for trucks on most US interstates?

The maximum speed limit for trucks on most US interstates is 65 mph, but it can vary by state. This variability reflects state laws and conditions, considering factors such as traffic patterns, road design, and overall safety. While some states may set a lower speed limit, many states allow trucks to travel up to 65 mph.

It's important for drivers to be aware of these variations when traveling through different states, as adhering to the correct speed limit is essential for safety and compliance with local regulations. The answer captures the general rule while acknowledging that state policies can differ significantly, which is crucial information for truck drivers operating across state lines.