Sound quality

Noise barrier effectiveness

Noise barrier effectiveness 


WisDOT's policy

FDM Chapter 23 Noise

Policy supplement

Chapter Trans 405: siting noise barriers


Refer to the Forms and tools page for factor sheets and guidance

Standard verbiage


FHWA information/guidebooks

Mitchell interchange noise barrier 

Mitchell interchange noise barrier in Milwaukee


US 41 noise barrier 

U.S. 41 noise barrier in Appleton​​