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Noise Reports

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I-485 Express Lanes: Design Noise Report - 2020
PDF • 105MB • July 5, 2022

I-485 Express Lanes: Traffic Noise Report -2018
PDF • 32MB • April 27, 2018

Last updated Jul. 7, 2022

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Noise Reports

I-485 Express Lanes: Design Noise Report - 2020

I-485 Express Lanes: Traffic Noise Report -2018