A drawing from U.S. Patent 7168880 showing an idea for a safety barrier for pit wall ends.
Auto Club Speedway of California
Auto Club Speedway of California
Engines
Aerodynamic Forces
Michigan International Speedway
Michigan International Speedway

Michigan: Don’t Believe the Speeds

All the talk at Michigan about high speeds and the hoopla over passing the 200-mph barrier prompts me to offer this caveat: Take the speeds you hear with a grain of salt because the average lap speeds are estimates, not measurements. […]