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 ...

Safer roads begin with safer materials. For paving projects using asphalt chip seal, lightweight aggregate made from expanded shale, clay or slate (ESCS) has a greater bond strength and skid ...

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 ...

At the end of 2020, the Federal Highway Administration (FHWA) released a new report that outlines the success of using Reclaimed Asphalt Pavements (RAP) in pavement preservation treatments. The FHWA ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Mansour Solaimanian, Penn State (THE CONVERSATION) While on the road, you’re probably ...

An airfield pavement project at Philadelphia International Airport is using approximately 90,000 cu yd of foamed glass aggregate, which officials believe is the largest application of its kind in ...