Noise Analysis

Noise requirements

2025 noise requirements

• 2025 Draft noise requirements (PDF) - Not to be used on any projects at this time

2017 noise requirements

• 2017 noise requirements (PDF)
• 2017 noise requirements update summary (Word)
• 2017 noise requirements implementation plan (PDF)

2017 guidance

• Brochure/solicitation template (PDF)
• Brochure/solicitation example (PDF)
• FAQs (PDF)
• Final community noise engagement process (PDF)
• FOF Sample (PDF)
• Guidance for addressing noise for construction traffic mitigation measures (PDF)
• Interior noise workbook actual window sizes (Excel)
• Interior noise workbook percentage (Excel)
• Loudest noise hour (PDF)
• Noise glossary (PDF)
• Noise impact analysis guidance for section 4(f) (PDF)
  • How 23 CFR 772 and 774 work together (PDF)
  • Analyzing noise impacts for section 4(f) where quiet is important (PDF)
• Noise report guidance checklist (PDF)
• Stationary source modeling example (PDF)
• Trail guidance (PDF)
• Traffic noise flowcharts:
  • Interior noise analysis flowchart for Category D facilities (PDF)
  • Flowchart for draft EIS (PDF)
  • Flowchart for EA-EAW (PDF)
  • Flowchart for federal Cat-Ex projects (PDF)
  • Flowchart for combined FEIS/ROD process (PDF)
  • Flowchart for existing noise barriers - 2019 update (PDF)
• Voting examples for multi-unit buildings:
  • Multi-unit building with benefited common area and no unit-specific area of frequent human use (PDF)
  • Multi-unit building with common area not exceeding NAC and some unit specific areas of frequent human use (PDF)
  • Multi-unit building with common area and some unit-specific areas of frequent human use (PDF)

2015 noise policy

• 2015 noise policy (PDF)
• 2015 noise policy implementation plan (PDF)
• 2015 noise policy training presentation (PPT)

2015 guidance

• Brochure/solicitation template (PDF)
• Brochure/solicitation example (PDF)
• FAQs (PDF)
• FHWA noise abatement criteria and MN noise standards (PDF)
• FOF sample (PDF)
• Loudest noise hours (PDF)
• Noise glossary (PDF)
• Traffic noise flowcharts for environmental documents:
  • Flowchart for draft EIS (PDF)
  • Flowchart for final EIS (PDF)
  • Flowchart for EA-EAW (PDF)
  • Flowchart for federal Cat-Ex projects (PDF)
  • Flowchart for combined FEIS/ROD process (PDF)
• Voting examples for multi-unit buildings:
  • Multi-unit building with benefited common area and no unit-specific area of frequent human use (PDF)
  • Multi-unit building with common area not exceeding NAC and some unit specific areas of frequent human use (PDF)
  • Multi-unit building with common area and some unit-specific areas of frequent human use (PDF)

2011 noise policy

For 2011 noise policy information and guidance, contact Peter Wasko.