Inspection Requirements

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Safety Inspection

Beginning January 1, 2018, ALL commercial vehicles regardless of weight require an annual safety inspection. The safety inspection is not a prerequisite for registration. However, the certificates must be kept in the vehicle at all times.

Emissions Inspection

  • Salt Lake County
  • Davis County
  • Utah County
  • Weber County
  • Cache County

2020
Salt Lake County
Emissions Requirements

Vehicles registered in Salt Lake County with model years less than six years old are required to have an emission test once every two years. Vehicles in this category that have even-numbered model years must have an emission test in even-numbered years, and vehicles that have odd-numbered model years must have an emission test in odd-numbered years.

Vehicle Model Year Emission Inspection
2020 Not required
2019 Not required
2018 Required
2017 Not required
2016 Required
2015 Not required
2014 to 1968 Required
1967 and older Not required

Exemptions

  • New vehicles with an MSO
  • Any vehicle with a model year 1967 & older
  • Any diesel vehicle with a model year 1997 & older and with a GVWR less than 14,000 lbs.
  • All implements of husbandry
  • Off highway vehicles
  • Electric vehicles
  • Motorcycles or motor driven cycles
  • Farm vehicles
  • Vintage or custom vehicles
  • Maintenance or construction vehicles not designed or licensed to operate on a highway
  • Military tactile vehicles

2020
Davis County
Emissions Requirements

Vehicles registered in Davis County with model years less than six years old are required to have an emission test once every two years. Vehicles in this category that have even-numbered model years must have an emission test in even-numbered years, and vehicles that have odd-numbered model years must have an emission test in odd-numbered years. Light, Medium and Heavy duty diesel powered vehicles in Davis County are required to follow these same requirements.

Vehicle Model Year Emission Inspection
2020 Not required
2019 Not required
2018 Required
2017 Not required
2016 Required
2015 Not required
2014 to 1968 Required
1967 and older Not required

Exemptions

  • New vehicles with an MSO
  • Any non-diesel powered vehicle with a model year 1967 & older
  • Implement of husbandry (Farm) vehicles
  • Any vehicle used for maintenance or construction and not designed or licensed to operate on the highway
  • Any motorcycle or motor driven cycle
  • Off highway vehicles
  • Electric vehicles
  • Any vintage or custom vehicles
  • Heavy duty diesel vehicles that meet all of the following:
    • Have an IRP registration
    • Have a GVWR of 26,000 lbs or greater

2020
Utah County
Emissions Requirements

Vehicles registered in Utah County with model years less than six years old are required to have an emission test once every two years. Vehicles in this category that have even-numbered model years must have an emission test in even-numbered years, and vehicles that have odd-numbered model years must have an emission test in odd-numbered years. Diesel powered vehicles with model years 1998 - 2015 require an emissions inspection in Utah County.

Vehicle Model Year Emission Inspection
2020 Not required
2019 Not required
2018 Required
2017 Not required
2016 Required
2015 Not required
2014 to 1968 Required
1967 and older Not required
Diesel Emission Tests
1998 to 2015 Required

Exemptions

  • New vehicles with an MSO
  • Any vehicle with a model year 1967 & older
  • Implement of husbandry (Farm) vehicles
  • Any vehicle used for maintenance or construction and not designed or licensed to operate on the highway
  • Any motorcycle or motor driven cycle
  • Electric vehicles
  • Tactical military vehicles
  • Diesel powered vehicles with a model year 1997 & older
  • Any vintage or custom vehicle
  • Off highway vehicles
  • Any diesel vehicle with a GVWR greater than 14,000 lbs.
  • Diesel vehicles 2016 and newer

2020
Weber County
Emissions Requirements

Vehicles registered in Weber County with model years less than six years old are required to have an emission test once every two years. Vehicles in this category that have even-numbered model years must have an emission test in even-numbered years, and vehicles that have odd-numbered model years must have an emission test in odd-numbered years.

Vehicle Model Year Emission Inspection
2020 Not required
2019 Not required
2018 Required
2017 Not required
2016 Required
2015 Not required
2014 to 1968 Required
1967 and older Not required

Exemptions

  • New vehicles with an MSO
  • Any vehicle with a model year 1967 & Older
  • Implement of husbandry (Farm) vehicles
  • Any vehicle used for maintenance or construction and not designed or licensed to operate on the highway
  • Any motorcycle or motor driven cycle
  • Electric vehicles
  • Tactical military vehicles
  • Any diesel vehicle 1997 & older or with a GVW greater than 14,000 lbs.
  • Off highway vehicles
  • Vintage or custom vehicles

2020
Cache County
Emissions Requirements

Vehicles registered in Cache County with model years less than six years old are not required to have an emission test. Vehicles six years old and greater that have even- numbered model years must have an emission test in even-numbered years, and vehicles that have odd-numbered model years must have an emission test in odd-numbered years.

Vehicle Model Year Emission Inspection
2020 to 2015 Not required
2014 to 1969 Biennial
1968 and older Not required

Exemptions

  • New vehicles with an MSO
  • Any vehicle with a model year 1968 & Older
  • Implement of husbandry (Farm) vehicles
  • Any vehicle used for maintenance or construction and not designed or licensed to operate on the highway
  • Any motorcycle or motor driven cycle
  • Electric vehicles
  • Tactical military vehicles
  • Any vintage or custom vehicle
  • Off highway vehicles
  • Any vehicle less than six years old
  • Any diesel vehicle 1997 & older or with a GVWR greater than 14,000 lbs.

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