The Pennsylvania Turnpike Commission relies on rigorous inspection, lab testing and long-term performance analysis to ensure ...

Asphalt Analyzer Laboratory Test Machine The InfraTest Asphalt Analyzer provides an automated and enclosed method of performing solvent extractions to verify asphalt content on bituminous mixture, and ...

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 ...

This procedure allows you to monitor airflow through the furnace chamber. Reduced airflow means less oxygen-rich air being pulled into the chamber, which means longer burn times. With the furnace ...

The Texas A&M Transportation Institute is using some cutting edge technology to build better roads. Their research could mean smoother and safer rides for Texas drivers and passengers. "TxDOT noticed ...

BOISE, Idaho (AP) - Companies that are responsible for checking the quality of Idaho’s road materials have altered the results of their asphalt tests thousands of times, government documents show.