Vehicle Emissions Testing in the St. Louis Region
The Gateway Vehicle Inspection Program (GVIP) improves air quality in the St. Louis region. GVIP is an emissions testing program for vehicles registered in the St. Louis ozone non-attainment area which includes St. Louis City, Franklin County, Jefferson County, St. Charles County and St. Louis County.
This webpage is for emissions testing only. For safety inspection information please follow this link: http://www.mshp.dps.missouri.gov/MSHPWeb/PatrolDivisions/MVI/