All hot mix asphalt (HMA) mixes need to be compacted to a low air void content (typically less than 7 percent) in order to achieve a long service life under traffic. More and more, the asphalt binder ...

Some pavement defects are more uncommon than others, and what faced Pavement Advisory Board member Don Rooney, Pioneer Paving & Grading, when he served as a consultant on a job was a bit of a puzzle.