Sound walls — also referred to as noise barriers — are important features of the 91 Project, since they help reduce noise from roadway traffic, both during and after construction. See below for a map of proposed sound wall locations. Final decisions related to the construction of sound walls are in progress.Sound Wall Map - English
Sound Wall Map - Spanish
There are a number of common questions asked about sound walls being proposed near construction projects. To assist in addressing the most common questions, please click on the links below for Frequently Asked Questions.