In 2004, Bellevue, Washington, added a grippy surface to a downhill intersection after warning signs failed; crashes fell 78% and crash costs fell 83%
We trust road signs to keep us safe. Flashing signs, road markers, and street lights all try to keep drivers alert. But what if the road itself needs fixing? That was the question at a downhill intersection in Bellevue, Washington. A case study from the Federal Highway Administration (FHWA) revealed that the city tried several … Read more