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.
However, what is also important is tyre mileage. With an average of around 27,000 miles per year, summer tyres should be replaced at three and a half years and winter tyres after a maximum of seven years (assuming that the tyres have only been used each winter).