Learn about tire pressure, load limits, tire letter rating, tire
speed ratings, tire size, tire tread, tire rotation, maintaining
proper tire pressure, tire
balance & wheel alignment, tread wear grade and numbers,
tire temperature grade, U.S DOT Tire identification
numbers as well as other
useful tire information at the
U.S
Department of Transportation
National Highway Traffic Safety Administration website. Their website is
very informative and provides a complete overview on tire safety.