contact us looking for the optimal tire pavement noise solution learn about the next generation concrete surface ngcs . learn more 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 . click the logo for exhibits only admission of only 20 70 regular price what an easy way to save 50 some restrictions may apply exhibits january 17 20 2017 seminars january 16 20 2017 at the las vegas convention center latest news and events new mechanistic tool assesses joint sealant effectiveness pavement preservation journal fall 2016 next generation concrete surface improves safety north dakota dot improves safety and rideability utilizing the next generation concrete surface november 29 2016 igga annual meeting austin texas multi contract 38 mile 1.27 b us 290 project improves safety while next generation pavement reduces noise november 12 15 2016 aashto annual meeting boston massachusetts join the igga learn about benefits join now renew now get social membership news events resources about us contact international grooving & grinding association 12573 route 9w west coxsackie ny 12192 phone 518 731 7450 2016 international grooving & grinding association web design forefront web go or use our advanced member search . join now member login search