Staying on course The role of the audit committee in corporate. governance is more important than ever. As an. audit committee member, your ongoing journey. will be filled with many stops along the way. The U.S. Congress, Securities and Exchange Commission (SEC), New York Stock Exchange (NYSE), NASDAQ and Public Company.
Quick Answer. A tire with a treadwear rating of 320 should last for approximately 40,000 miles. This is a lower-middle level treadwear rating. Tires with a high-end rating of over 500 should deliver approximately 80,000 miles. Keep Learning.
1 According to the tire industry, the average tread depth of a new tire can range from 10/32â³ to 11/32â³.7.  Tires age whether they are driven on or notâbe sure to check tires on recreation vehicles, trailers, collector cars, community vehicles and 15-passenger vans, too.8.