Your Pavement Preservation Resource Since 1972
Welcome to the IGGA
The International Grooving & Grinding Association (IGGA) is the leading technical and promotional resource for acceptance and proper use of diamond grinding and grooving as well as pavement preservation/restoration.
Check out the following educational videos and presentations on diamond grinding concrete pavement preservation and the future of the surface transportation industry:
- Next 10: A Vision for the Future
Randy Iwasaki – Executive Director at Contra Costa Transportation Authority
- Concrete Pavement Preservation – The Phoenix Diamond Grinding Story
Randy Everett – Senior Division Administrator for ADOT’s Central District
- SCDOT’s Super Smooth Reconstruction of SC-544
Jay Thompson – South Carolina CPI Manager SEPI, Inc.
- Long Term Performance of Rapid Strength Concrete (RSC) Slabs on California Highways
Dr. Mike Darter – Principal Engineer of Applied Research Associates, Inc.
- Effects of Beneficial Use of Concrete Grinding Residue on Transportation Infrastructure
Dr. Halil Ceylan – Professor of Civil Engineering & Director of the Program for Sustainable Pavement Engineering & Research (PROSPER) at Iowa State University (ISU)
Anyone can REGISTER HERE and receive a discount through us.
- $25 online registration for exhibits-only admission* (Now thru 05/10/21)
- $95 (05/11 thru 06/05/21)
- $105 (After 06/05/21)
*Some restrictions apply
WOC exhibits at the Las Vegas Convention Center June 8-10, 2021. New hours – 9:30 am – 5:00 pm
There will be no onsite registration available, but attendees can register on any mobile device before coming to the convention center and print out their badges once onsite.
COVID-19 protocols and other safety measures will be in effect during the show. Click here for details.

Dowel Bar Retrofit & Diamond Grinding Best Practices
Presented by John Roberts (IGGA) and Joe Echelle (OTA)
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Check out the following Concrete Pavement Preservation (CPP) series webinar videos:
- Concrete Pavement Management & Preservation
- Concrete Pavement Evaluation & Preservation Strategy Selection
- Concrete Pavement Preservation Treatment Construction
- Concrete Pavement Management & Preservation Resources
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