Emissions and safety inspection requirements in the 50 U.S. states and the District of Columbia.
  Periodic safety inspection required
  Safety inspection required upon sale or transfer
  Safety inspection required when registering a vehicle from another jurisdiction
  Emissions testing required in some areas
  Emissions testing required in all areas
  No inspection required
Striped: Both safety and emissions testing required
Based on File:Blank US Map, striped.svg
Own work
Szyslak