Minnesota Department of Transportation

511 Travel Info

Air Quality

Air Quality

Air quality
  • Background sampling - Continuous pre-construction background carbon monoxide monitoring to ensure that public safety is not impacted by any proposed transportation related project
  • Safety monitoring - Continuous carbon monoxide monitoring and fresh air ventilation activation to insure public safety while traveling thru special tunneled highway areas
  • Ambient compliance sampling - Continuous carbon monoxide monitoring to fulfill Clean Air Act requirements regulated by the MPCA
  • Air quality modeling - EPA approved computer modeling provides hot spot analyses to determine projected carbon monoxide concentrations at proposed intersections
  • Current projects
  • Additional support: