buckle up
The One Rule Adults In New Hampshire Don't Have To Follow, Unlike In The Rest Of America
Law enforcement has two ways of checking drivers and front seat passengers. In states where primary enforcement (red on the map) is in place, an officer can pull you over for the possibility of not having worn the belt.
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byu/Erarndtia from discussion
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In states where enforcement is secondary (yellow,) you can't be pulled over, but it can be counted as an additional infraction. The green colored state is New Hampshire, where there is no enforcement for adults, just minors (primary).
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Via Reddit.
[Image: Milan De Clercq]