Enjoy your limited-time access to the Compliance Network!
A confirmation welcome email has been sent to your email address from ComplianceNetwork@t.jjkellercompliancenetwork.com. Please check your spam/junk folder if you can't find it in your inbox.
As illustrated in 393.75, a major tread groove is the space between two adjacent tread ribs or lugs on a tire that contains a tread wear indicator or wear bar. In most cases, the locations of tread wear indicators are designated on the upper sidewall/shoulder of the tire on original tread tires.