Vehicle Emissions Testing and Safety Inspection in the St. Louis Region.

GVIP tests all 1996 and newer gas-powered vehicles and 1997 and newer diesel-powered vehicles 8,500 pounds or less registered in the St. Louis nonattainment area. More* - *Adobe Reader is required to view this file.

First Annual GVIP Enforcement Report New icon.

New Extension Available for Resetting Readiness Monitors

Locate a GVIP Emissions Testing Station Near You

Vehicles Exempt from the Emissions Testing Requirements

Emission Exemptions and Waiver Information

The Gateway Vehicle Inspection Program is a key component of the ongoing effort to improve air quality in the St. Louis region. Having trouble locating the information you need, visit the site map.