While driving on the highway, you should signal at least _____ feet before you turn.
Explanation
On all roads, New Hampshire law requires you to signal at least 100 feet before you turn. However, at 55 mph, a vehicle will travel 100 feet in just 1.2 seconds. On the highway, therefore, you should signal for a much longer distance ? at least 500 feet (about a tenth of a mile) before you turn.
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