At the 1/9/2011 AHANA meeting, the New Hampshire Department of Transportation briefed the neighborhood on the status of a project to install sound barriers on the approach span of the I-95 bridge. The barrier will be 12 feet high and can cut down the sound impact on the neighborhood by as much as 8 decibels (just shy of 1/2 of the noise).
Renderings are provided below:
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