Consisting of 325 acres, the Bosch Flat Rock proving ground offers various surfaces such as a 22 acres vehicle-dynamics area that includes a 30 degree high bank curve, high and low-µ surfaces, special surfaces and traction hills.

Contact us:
Flat Rock Proving Ground
3701 Newburg Road
Flat Rock, MI 48134
Phone: +1 734/789-2700
Fax: +1 734/789-2772