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  • Cotati, CA
    Phone: 707.794.0400
    Denver, CO
    Phone: 720.306.8322
  • News

    • * Caltrans Quieter Pavement Manual Now Available Online
      April 26, 2018

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    • * Dana Lodico interviewed by Undark.org
      January 5, 2018

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    • * Just Published: Pile Driving Effects on Fish
      August 5, 2016

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    • * Congratulations to I&R Staff for Four Successful ADC40 Presentations
      August 5, 2016

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    • * Webcast Available: Rumble Strip Noise
      July 19, 2016

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    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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