Outdoor Sound Barriers Market Research Report, Information: by Material (Concrete, Metal, Wood and others), Application (Highways, Aviation, Demolition, Utilities & Railroad and Building ...

Researchers at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed an ultra-thin traffic noise absorber that significantly reduces sound levels while occupying ...

MINNEAPOLIS (WCCO) -- A new sound barrier is getting a lot of attention, but it may not catch your eye. A transparent highway barrier went up along Interstate 35E in Little Canada this week.

Traffic on I-26 makes its way past the Northwood Estates subdivision. A new study showed a sound barrier would help residents but would cost more than the state normally pays. File/Andrew J ...