Honda Proving Center of California (HPCC) is a test track used primarily for testing Honda and Acura automobiles. Motorcycles are also tested there. HPCC is located near Cantil, California, in Kern County. Security is tight, and pilots flying near the track have reported seeing cars immediately heading for cover as they got close to the facility.
HPCC has a 7.5 mile oval track, as well as a five-mile winding road course.
Per news reports, Honda is closing HPCC and relocating its test center to Ohio.