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 ...

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 ...

Silence really is golden — and homeowners are willing to pay more for it. Specifically, when traffic noise fades, home values tend to creep up. A new academic study by the National Bureau of Academic ...

Oct. 18 − To the Editor: A friend was tragically killed some years ago on Route 101 in Exeter when a car crossed the median that had no guardrail and hit her vehicle head-on. The state subsequently ...