Honda Proving Center of California (HPCC) is a test track used primarily for testing Honda

Honda

is a Japanese public multinational corporation primarily known as a manufacturer of automobiles and motorcycles.Honda has been the world's largest motorcycle manufacturer since 1959, as well as the world's largest manufacturer of internal combustion engines measured by volume, producing more than...

 and Acura

Acura

Acura is the luxury vehicle division of Japanese automaker Honda Motor Company. The brand has been available in the United States and Canada since March 1986, marketing luxury, performance, and near-performance vehicles. It was introduced to Hong Kong in 1991, Mexico in 2004, and China in 2006...

 automobiles. Motorcycles are also tested there. HPCC is located near Cantil, California

Cantil, California

Cantil is an unincorporated community in Kern County, California. It is located southwest of Saltdale, at an elevation of 2018 feet . Cantil is located in the northern Antelope Valley in the Fremont Valley section....

, in Kern County

Kern County, California

Spreading across the southern end of the California Central Valley, Kern County is the fifth-largest county by population in California. Its economy is heavily linked to agriculture and to petroleum extraction, and there is a strong aviation and space presence. Politically, it has generally...

. 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.

Honda America - Honda Research and Development Division, closed the HPCC on July 31, 2010 and relocated the test center to Marysville Ohio.