frenetic
Pronunciation: /frəˈnetik
adjective
Fast and energetic in a rather wild and uncontrolled way: a frenetic pace of activity
Origin
late Middle English (in the sense 'insane'): from Old French frenetique, via Latin from Greek phrenitikos, from phrenitis 'delirium', from phrēn 'mind'. Compare with frantic.
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The trip home from Boothbay Harbor was calm, at least in our car. Some drivers on the turnpike seem to be unable to simply set the cruise and roll along. There are always some frenetic souls who change lanes suddenly, even crossing three other travel lanes to gain a two car advantage.
