Northbound traffic moves downhill for 1/2 mile or more; posted speed limit is 55 mph. Officers sit at the base of the hill, hidden from view on the Southbound shoulder. They’re not visible before you crest the final downhill grade. Take your eyes of the speedometer on the down hill grade and you’ll easily exceed 55 mph. there is NO grace for out of state drivers. I lived in VA for nearly 20 years and never was pulled over. Now that I have Maryland tags, I was ticketed w/out discussion.