Thirty-four states now have raised their rural interstate speed limits to at least 70 miles an hour, with Virginia being the latest.
According to GPS maker TomTom, the fastest drivers across the nation are found in Mississippi, where drivers on the interstate average 70.1 miles an hour.
The slowest drivers are in the District of Columbia, where speeds average 46.4 miles an hour.
As for states, Hawaii is the slowest with average speeds of 52.7 miles an hour.
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