Credit: A look at the safety measures currently in place along a stretch of River Road in Bethesda, Maryland. (WTOP/Mike Murillo)

Safety improvements begin at deadly Bethesda intersection

Virginia wildlife and transportation experts make effort to cut down on road kill

Prince William County prepares to widen key stretch of US Route 1

No answer yet as to what caused July’s Metro Red Line derailment

Virginia Route 28 bypass loses key support

Group: More cars on the road plus summer heat means poor air quality