San Jose neighborhood enduring roar of Highway 280 to get sound walls 60 years later
At last week's council meeting, the city voted to approve the construction of four 10-foot concrete sound walls for ...
Autoblog9y
More than you could ever hope to know about those sound walls that line freeways
It took until 1968 for the California Department of Public Works to build its first sound-mitigating barrier, but construction started booming in the '70s. According to the report as of 2010 ...