9.1) STAA National Network
In 1982, the U.S. Congress passed the Surface Transportation Assistance Act, which allows
large trucks to operate on the Interstate highways and certain primary routes. This road system is
called the “National Network”.
When driving on the National Network, you can be reasonably assured of trouble-free road
access. But to make local deliveries, you will probably need to leave the National Network and
drive on secondary (local) roads. You must be careful to follow local regulations.
Any nav unit can guide you on the National Network (the Interstate highway system). It is when
you get onto secondary roads that the 7750 PLT will really come in handy. The 7750 PLT will
calculate a legal route for you to follow.
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