Special Transportation Research Board 2013 Report

Better Roads Staff - Apr 03, 2013

‘Bio-Binder’ Green Modifiers Star at TRB By Tom Kuennen, Contributing Editor The emerging universe of biologically based modified asphalts got significant exposure at the 92nd annual meeting of the Transportation Research Board (TRB) in Washington, D.C. Better Roads was there. More than 11,700 ...

Applications & Innovations

Better Roads Staff - Sep 06, 2012

Whispering Asphalt OGFCs cut spray and can be very, very quiet. For several years, a number of states have placed open-graded friction courses (OGFCs) as a wearing course on their high-volume, high-speed roadways. An OGFC is a thin, permeable mix with high air ...

Road Science Tutorial

Better Roads Staff - Jul 07, 2011

Quiet Moves A war is being waged on noise generated by pavements and highways. By Tom Kuennen, Contributing Editor Today, highway noise is considered an undesirable emission, just as if it were a noxious gas out of the tailpipe. But road designs can ...