July 2025 - May 2026 (Current Index)

Jan 2023 - Dec 2023

July 2021- Dec 2022

2019 INDEX

2018 INDEX

2017 INDEX

2016 INDEX

2015 INDEX

2014 INDEX

2013 INDEX

2012 INDEX

2011 INDEX

2010 INDEX

2009 INDEX

2008 INDEX

2007 INDEX

2006 INDEX

2005 INDEX

2004 INDEX

2003 INDEX

2002 INDEX

2001 INDEX

ASPHALT INDEX

 

Asphalt Resources

 
Created in 1986, Louisiana Transportation Research Center has played a vital role in Louisiana's transportation industry. For over 30 years, the staff of LTR...