Montana Department of Transportation

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What's all that Noise?

The Environmental Hazardous Waste section conducts noise analyses for all highway projects which involve significant changes in alignment, addition of travel lanes, or new roads on new alignments. View MDT's noise policy and the reports Growing Neighborhoods in Growing Corridors: Land Use Planning for Highway Noise and Traffic Noise in Montana: Community Awareness and Recommendations for a Rural State.

Air Quality
The Hazardous Waste Section is responsible for determining project level air quality conformity of transportation projects for the NEPA process. For a list of Montana's PM-10, PM2.5 and CO non-attainment areas, along with a listing of local monitoring stations, refer to the Montana Deptartment of Environmental Quality's website (Planning & Compliance Division) for more information on air quality.

Traffic Noise Contact:

Phone: 406.444.7659