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Minnesota Department of Transportation

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St. Louis County Road 405, I-35
 

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Pavement Noise Study
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MnRoad Section 38 (Tinned PCCP)
Noise Level (45 mph) 97.2 dB(A)
Noise Level (60 mph) 101.7 dB(A)
Average Texture Depth: 0.48

Noise Study MnROAD Section 38