We offer expert assistance in transportation and community noise analysis and mitigation as well as transportation air quality assessments. Our work includes highway and rail environmental impact and assessment studies, acoustical design of noise abatement, statewide and regional noise barrier prioritization studies, policy analysis and revision, methods development, and research.
Bowlby & Associates, Inc. also develops and teaches transportation noise courses. We provide a short course on Traffic Noise Fundamentals and the use of the Federal Highway Administration’s Traffic Noise Model version 2.5 (TNM). We have delivered that course more than 50 times in the last 20 years including sessions for the state DOTs in California, Georgia, Indiana, Minnesota, and Washington. Training development clients include the National Highway Institute, USDOT, and New York State DOT.
Our work also includes:
- industrial plants
- rock quarries
- retail facilities
- pump stations
- natural gas regulators
- construction sites
- emergency generators
- HVAC systems
- noise ordinances
- racetracks
- stadiums
- concerts
- “soundscapes” for the National Park Service (NPS)