Noise Analysis

Noise analysis

MnDOT provides scientific, technical expertise and knowledge in the field of environmental traffic generated noise. Maintain the modeling, planning, design tools to analyze and recommend cost effective actions for the purpose of the mitigation of noise impacts due to transportation sources.

Noise barriers

• Why build a noise barrier? Why are noise studies conducted?

Policy / requirements

• 2017 noise requirements and guidance

Model

• Noise models
• Flat earth noise level estimator (Excel)

Resources

• Highway Project Development Process (HPDP)
• Reflective studies
• Metro highway noise abatement program
• Greater MN stand-alone noise barrier program
• Noise brochure (PDF)