Any Nascar Fans here?

[Mears]

I was wondering if anyone knows how steep the the angles get on the curves at the Michigan International Speedway?

 

[RedRooster]

D-shaped, two-mile oval
18 degree banking in turns
12 degrees on front straight
5 degrees on back straight
73 feet wide with 10-foot apron in turns
45 feet wide with 12-foot apron on straightaways
Backstretch is 2,242 feet long
Front stretch is 2,229 feet long
Pit lane is 50 feet wide and contains space for 44 individual pit areas