Noise and Vibration Consulting for Rail

Providing innovative solutions for a better future

You can rely on our team of consultants to address your environmental challenges
in every market that we serve, worldwide.

Technical excellence, true collaboration, and innovation are the foundation
of every project we complete.

Our Markets

Noise Consulting For Airports, Airport Planning Services, Environmental Impact Studies

Aviation

With a strong track record of over 35 years of successful consulting and research projects, HMMH partners with our clients, providing trusted expertise to address some of aviation’s biggest challenges.

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Noise and Vibration Solutions for Rail Projects and Urban Bus Rapid Transit Systems

Rail & Transit

Sustainable solutions to keep our cities moving.
HMMH has provided noise and vibration assessments and mitigation recommendations for transit and rail transportation systems across the U.S. for over three decades.

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Highway Noise Control, Environmental Noise Studies, Noise Abatement Design

Highway

HMMH helps our clients engineer cleaner, quieter highways with creative solutions for even the most congested transportation corridors.

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Noise and Environment Consulting Services for Federal Clients

Federal Programs

Since 1981, our federal clients have relied on HMMH personnel for expert modeling, analyses and advice.

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Additional Markets
Sustainability & Energy
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 Construction & Architecture
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 Parks & Recreation
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HMMH is a trusted leader in the study, assessment, and mitigation of the impacts of new and existing transportation projects on communities.

 

Recent Blog Posts HMMH Featured in Sea-Tac Airport Noise Programs Video

HMMH team members were featured in the Port of Seattle’s recent video highlighting the many functions of the Seattle-Tacoma International Airport Noise…

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Recent News ACRP Releases Guidebook for Developing a Comprehensive Renewable Resources Strategy

HMMH is proud to announce the release of the ACRP Guidebook for Developing a Comprehensive Renewable Resources Strategy. This guidebook provides…

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Recent Presentations & Papers Shake, Rattle, & Roll

Presentation given by Mary Ellen Eagan and Rhea A. Gundry during the ACC/AAAE Airport Planning, Design & Construction Symposium in Denver, CO…

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HMMH has supported Massport for over 30 years providing technical analyses for a wide variety of projects at our airports. I confidently recommend HMMH to provide high quality environmental services in a timely and efficient manner. They are truly experts in their field.

- Senior Project Manager, Massachusetts Port Authority

HMMH did a first-rate job. The results of the study were exactly what we were looking for to help strike a balance between the rights of residents and the need for a local business to thrive and foster the area’s tourism industry. HMMH would be my first call when faced with a similar problem in the future.

- Page County Administrator, Shenandoah, VA

HMMH’s efforts were instrumental in the Authority’s ultimate success in providing an outstanding project that exceeded FAA requirements, met our noise-impacted community’s expectations and stayed within our budget. I would highly recommend HMMH to any airport that demands a successful, transparent and quality project.

- Former (Retired) Director, Airport Noise Mitigation, San Diego Regional Airport Authority

HMMH's understanding of state and federal requirements along with their responsiveness to project needs make HMMH the gold standard in their field.

- Project Manager, Stantec

HMMH is an extremely professional firm with excellent response time. Work is always of the highest caliber. The firm is trusted and respected by our citizens, staff and the Board of County Commissioners.

- Airport Director, Martin County Airport

HMMH consistently provided high quality products and their advice was invaluable in guiding the JPDO's effort to frame important policy issues to key government decision makers.

- Project Manager, JPDO