Everyone always goes 5 to 10 miles over the speed limit. Especially when it comes to freeways. Its been 5 years since I got a ticket for going 5 miles over the speed limit on the road, so I tend to only do this on the freeway with the flow of traffic. The article below is a good read and shows a map comparision between the 50 states.
http://online.wsj.com/article/SB1000...?mod=yhoofront
http://online.wsj.com/article/SB1000...?mod=yhoofront
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