Autoblog10y
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 ...
Winston-Salem Journal8d
Boom succeeds with first attempts at breaking sound barrier
The XB-1 prototype accelerated smoothly to reach as fast as Mach 1.11 at about 35,000 feet at 11:33 a.m., 11:38 a.m. and ...
Palo Alto Weekly15d
Menlo Park home designed with 14-foot sound wall to block unwanted noise is among ‘modern marvels’ open to the public on Saturday
Located on a 3/4-acre corner lot on a busy Menlo Park street across from a school, the home incorporates a sound wall into its design to block unwanted noise. The homeowners, who replaced the ...