Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

The composition of the asphalt mixture making up a road can determine how safe it is for cars to drive on. Tarik Seker/iStock via Getty Images Plus More than 90% of paved roads in the U.S. are made of ...

To extend the life of asphalt pavement that’s still performing well, spray-on rejuvenators, also known as rejuvenating seals, are sometimes used. These rejuvenators are designed to improve the ...

A bright orange truck made a few passes along Munger Shaw Road on Friday. It’s called SCRIM, and it’s a road survey machine that tests friction of pavement and surfaces. SCRIM stands for Sideway force ...

The study of pavement skid resistance and surface texture analysis is central to understanding road safety and the longevity of asphalt pavements. At its core, skid resistance represents the ...

A specially equipped Volvo VHD 430 totes a Sideway-force Coefficient Routine Investigation Machine (SCRIM) – to evaluate friction on roadways to determine whether highway improvements could reduce ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

When planes land at airports, small amounts of rubber wear off the tires leaving a rubber residue behind on the runway. Rubber build up on the pavement causes a loss of friction that, if allowed to go ...