Scott Riggs passes by another caution flag before the midpoint of the Coca-Cola 600 at Lowe’s Motor Speedway in Concord May 27, 2007. (Greg Kahn / Independent Tribune)
Dale Earnhardt Jr. takes a pit stop during the Coca-Cola 600 at Lowe’s Motor Speedway in Concord May 27, 2007. (Greg Kahn / Independent Tribune)
The field of cars head for the green flag to start the Coca-Cola 600 at Lowe’s Motor Speedway in Concord May 27, 2007. (Greg Kahn / Independent Tribune)