VDOT sets the wacky speed limits. They have some code that mandates a speed limit for certain areas due to density of residences or businesses. Fairfax County, not State Police, has a policy that no tickets should be written for persons travelling less than 10mph over the speed limit, but that is not set in stone. Over 10, write them. If he wants to pull you over for, lets say a seatbelt viol
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Fairfax County General