Thriving Auto Club Speedway has history of peaks, valleys
(LA Times Dodgers)

At the tunnel entrance leading to the infield of Auto Club Speedway, there´s a blown-up photo printed on a wall that shows racing mogul Roger Penske cutting a checkered-flag ribbon to open the track that was then called California Speedway. That was in 1997 and, as the speedway in Fontana celebrates...