General Motors Proving Grounds
General Motors operates several proving grounds.
32°55′11″N 114°19′24″W / 32.919818°N 114.323366°W
Desert Proving Ground Yuma is a facility co-built and leased by General Motors located within the US Army's Yuma Proving Grounds, near Yuma, Arizona. The facility came fully online as of July 2009. The site contains an inner facility sitting on 2,400 acres (970 ha) with a 24-acre (9.7 ha) campus containing 98,000 square feet (9,100 m2) of building area and also has 40 miles of roadway. One of the main reasons that this site was chosen was the already imposed no fly zone which helps prevent unwanted photography of pre-production prototypes undergoing testing. The facility is also used by the US Army for their own testing requirements.
Other such features are:
42°35′01″N 83°41′04″W / 42.583603°N 83.684449°W
The General Motors Milford Proving Ground was the industry's first dedicated automobile testing facility when it opened in 1924. It is located in Milford, Michigan and covers 4,000 acres (16 km²). 4,800 staff work in its 107 buildings today. The proving ground includes the equivalent of 132 mi (212 km) of roads representative of conditions found on public roadways and other specialty surfaces for vehicle testing. Some roads are open only to drivers who have passed special performance driving training. The saying goes that each mile driven on the grounds is the same as 5 miles (8.0 km) in the real world.
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