Roadway Environmental Ratings: What’s Best for Your Agency?

Better Roads Staff - Nov 12, 2012

There's a choice of programs to use in rating sustainable roads By Tom Kuennen, Contributing Editor The never-ending quest to define which pavements and highways can be considered “environmentally sustainable” has gotten a lot harder, just as it’s gotten easier. Cold milling of ...

Road Science

Better Roads Staff - Sep 06, 2012

The Second Time Around Recycled materials need analysis, characterization By Tom Kuennen, Contributing Editor There is no stopping the growth of recycled and reclaimed materials in pavements. The use of reclaimed asphalt pavement (RAP), reclaimed asphalt shingles (RAS), recycled concrete aggregate (RCA), and recycled ...

Road Science

Better Roads Staff - Mar 20, 2012

Eureka! Research that makes a difference Intelligent compaction . . . application of reclaimed asphalt pavement (RAP) and recycled concrete aggregate (RCA) . . . prefabricated bridges and pavements. They’re just a few of the themes of research papers presented at the ...

Road Science

Better Roads Staff - Oct 04, 2011

It's a Small, Smart World Nanotech era draws closer By Tom Kuennen, Contributing Editor Nanotechnology offers long-term promise to boost performance of our highway, road and bridge infrastructure. New research is expanding and new applications are materializing. More recently, the long-term environmental impacts ...

Road Science Tutorial

Brooke Wisdom - May 09, 2011

Building Better Roads from the Ground Up A strong foundation is the key to a strong pavement structure By Tom Kuennen, Contributing Editor A pavement is only as strong as its foundation. Without an adequate base or foundation, a road simply cannot stand ...

Road Science Tutorial

Brooke Wisdom - Apr 01, 2010

Two for the Price of One Recycled concrete aggregate proves its value; but it demands an engineered approach. By Tom Kuennen, Contributing Editor Recycled concrete aggregate (RCA) is a valuable resource for road owners and builders, both in terms of lowering costs and ...