Truckers' Challenge: How Well Do You Know Big Rigs?Share:FacebookPinterestTwitterMail9. During pre-trip inspection, what should you check about the tires?36%Next Correct Incorrect Both tire pressure and tread condition are critical for safety and legal compliance. 9. During pre-trip inspection, what should you check about the tires? Only the tread depth Tire brand Color of tire Tire pressure and tread 36%