PPA modification and performance testing

Polyphosphoric acid, otherwise known as PPA in our industry, is…

Read More

Lead by your sample

Representative Sampling of Asphalt Binder, Aggregate and Plant Mix A…

Read More

So much to do, so little time

So much to do, so little time… Remember that one?…

Read More

FHWA works to support statistical quality assurance techniques

While the feds are not dictating “Percent Within Limits,” they…

Read More

Vista Petroleum joins Asphalt Institute

Vista Petroleum Services, Inc. is the newest AI associate member.…

Read More

APA announces winners of 2008 Perpetual Pavement Awards

The Asphalt Pavement Alliance (APA) has announced the winners of…

Read More

Colorado study increases rehabilitated road life expectancy by 2 years

Asphalt rehabilitation projects using a 2-inch mill and overlay approach…

Read More

Arizona State University releases pavement study

Researchers at Arizona State University (ASU) recently released modernized guidelines…

Read More

AI announces new Senior Editor

The Asphalt Institute (AI) is pleased to announce Kendal Butler…

Read More
Previous Digital Issues
Advertisement HollyFrontier
Advertisement
Advertisement HollyFrontier
Advertisement