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  • Cotati, CA
    Phone: 707.794.0400
    Denver, CO
    Phone: 720.306.8322
    Ridgefield, WA
    Phone: 360.309.5500
  • Awards

    ADC 40 Paul2016, 2014, 2011, 2010, 2009 Transportation Research Board ADC 40 Annual Harter Rupert Award: Best Paper

    2009 FHWA Environmental Excellence Award: Environmental Research

    2009 Institute of Noise Control Engineering Award for Excellence: Noise Control Engineering

    2005 California Department of Transportation Award for Excellence in Transportation: The Environment

    2005 Federal Highway Administration (FHWA) Environmental Excellence Award: Ecosystems, Habitat & Wildlife

     

    Who We Areimg
  • An engineering consulting firm with experience since 1987 in acoustics and air quality learn more

  • Capabilitiesimg
  • Expert consultants dedicated to providing clients with quality service in acoustics and air quality management learn more

  • Past Performanceimg
  • Since 1987 Illingworth & Rodkin consultants have conducted over 4,500 proprietary studies in... learn more
  • In the Newsimg

    Illingworth & Rodkin's Dana Lodico interviewed on highway noise barriers...learn more

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