Sound quality

Noise barrier effectiveness

Noise barrier effectiveness 

WisDOT's policy

FDM Chapter 23 Noise

Policy supplement

Chapter Trans 405: siting noise barriers

Worksheets/forms

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

Standard verbiage

Brochures

FHWA information/guidebooks


Mitchell interchange noise barrier

Mitchell interchange noise barrier in Milwaukee

US 41 noise barrier 

U.S. 41 noise barrier in Appleton