The Environmental Planning Group (EPG) provides technical expertise to evaluate noise impacts incurred by highway improvement projects.
Specialized noise modeling is conducted for those projects that increase traffic capacity, or that have changes in the vertical and/or horizontal alignment.
ADOT has been the leader in providing noise abatement mitigation
that utilize the latest techniques in construction and design. Many
of the noise walls in the state's metropolitan areas are adorned
with southwestern motifs to provide a functional and aesthetically
pleasing wall that enhances the surrounding development.