What are those tall concrete walls along the highway actually for?

Tall concrete walls running along American highways are probably a familiar sight to most, but have you stopped to ask what ...
Jalopnik

What Those Ugly Concrete Walls Along The Highway Are Really Designed To Do

Ever noticed those 8-to-20-foot-high concrete walls that stretch almost endlessly along busy patches of highways? They may seem like barriers meant to prevent your car from careening uncontrollably ...
Hosted on MSN

Noise-Canceling Technology Isn’t Just for Headphones, It’s in Your Car Too

Road noise and wind noise are major culprits in car cabins that affect the driving experience. Active Noise Cancelation (ANC) in cars involves innovative technology like sensors and algorithms. Adding ...
Mankato Free Press

Residents asked to sound off on new Hwy 169 noise walls

The fate of new noise-pollution walls — which could be added along Highway 169 in North Mankato and Mankato as part of an upcoming construction project — is being decided this month. In a ...
The Post-Crescent

Noise barriers along I-41 in Fox Cities are expected to cut highway noise in half for nearby homes

GRAND CHUTE - Nine noise barriers will be installed along Interstate 41 through the Fox Valley as part of the expansion project. Over 800 households voted earlier this year on whether noise barriers ...
MLive

$3M sound wall may be solution for M-14 highway noise in Ann Arbor

ANN ARBOR, MI — Plans are in the works for long-requested noise mitigation along the M-14 highway in Ann Arbor. A new state budget approved by the Michigan Legislature includes a $3 million earmark ...