A sonic boom is the loud noise that results when something breaks the sound barrier. You break the barrier by traveling faster than the speed of sound, which is 768 mph at sea level. Supersonic ...

A sound barrier — not a wall — will be constructed southeast of Cascades Park. And a developer, not the taxpayer, will pay for it. On Wednesday, the Tallahassee City Commission advanced ...

BOARDMAN — A sound wall along Interstate 680 will reduce freeway noise for many residents, but not all. Those left out are not pleased and say it would not take much to fix the problem.

PORTSMOUTH — Construction on two long-anticipated sound wall projects aimed at reducing noise from Interstate 95 in city neighborhoods could begin as soon as the summer of 2024. Sam Newsom ...

Funding was recently approved for two new sound walls along I-75, which is welcome news for people who say the noise from the highway is too much.