One and one-half million dollars a mile. The cost of building a new lane on I-95? Hardly! That’s more like $20 million. No, “$1.5 million dollars a mile” would be the cost of building new sound ...

When it comes to highway sound barriers, pre-cast concrete has remained the industry standard because of a lack of acceptable, cost-effective alternatives. However, the Pennsylvania Turnpike ...

Greenfield Mayor Michael Neitzke stands alongside Republican State Rep. Bob Donovan and Republican State Sen. Julian Bradley to announce funding for the installation of new sound barriers on ...

Building and maintaining our highways is expensive. But here’s a quiz question: on Interstates 95 and 84, what costs a half-million dollars a mile to construct? The answer: sound barriers. Why are we ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Boom Supersonic ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...

(WKYT)—Today’s Good Question is: Who decides where sound barrier walls are installed? Here, locally, there are sound barriers along the interstate and along New Circle near Versailles Road. The ...

WILKES-BARRE TWP. – Traffic noise and how to reduce its impact were the main topics of Thursday’s informational session on the proposed reconstruction of Interstate 81 in Hanover and Wilkes-Barre ...

One and a half million dollars a mile. The cost of building a new lane on Interstate 95? Hardly — that’s more like $20 million. No, “$1.5 million dollars a mile” would be the cost of building new ...

Add Yahoo as a preferred source to see more of our stories on Google. Construction continues on a portion of sound barrier wall between Interstate 71 and Crescent Avenue in Covington. What kind of ...