588 IF YOU NEED CONSUMER ASSISTANCE
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES . . . . . . . . . . . . . . . . .595
Treadwear. . . . . . . . . . . . . . . . . . . . . . . . . . .595
Traction Grades . . . . . . . . . . . . . . . . . . . . . . .596
Temperature Grades. . . . . . . . . . . . . . . . . . . .596