Wisconsin Department of Transportation

Alert: The following services will be unavailable on Saturday, January 5, 2013 from 12 a.m. (midnight) to 6 a.m. CST due to system maintenance.

Environmental areas - sound quality

Noise barrier effectiveness

WisDOT's policy

Policy supplement

Worksheets/forms

Standard verbiage

FHWA information/guidebooks


Noise barrier in Milwaukee
Mitchell interchange noise barrier in Milwaukee


Noise barrier in Appleton
U.S. 41 noise barrier in Appleton

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Questions about the content of this page:
Janet Nodorft, janet.nodorft@dot.wi.gov
Last modified: May 13, 2013

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