Originally Posted by BarManBean
you've heard right. nothing to tell you other than stay within 10 mph over the speed limit and you'll probably be fine. Watch out for stretches that slow down when you pass through city areas.
^^ Solid advice. Also watch out for reduced speed limits in construction zones. Anything 20 mph over speed limit in VA can be considered reckless driving which requires you to appear in court...no prepayment. Try to avoid a return trip in a few weeks.