Chrysler Proving Grounds

FCA US LLC operates proving grounds around North America, for development and validation testing of new vehicles.
Arizona Proving Ground (Yucca, Arizona).
Location:
The Arizona Proving Ground is a vehicle test facility established in 1955 in Yucca, Arizona. It was owned and operated by Ford Motor Company based in Dearborn, Michigan, until Chrysler LLC announced on November 2, 2007 that it had purchased the facility for $34.9 Million. APG is located at the foot of the Hualapai Mountains near Yucca, Arizona, 120 miles (200 km) southeast of Las Vegas, situated between Lake Havasu and Kingman, Arizona.
The facility was originally Yucca Army Airfield, an Army Air Corps training base, used during World War II. The field was declared surplus land by 1946 and the ownership was turned over to Ford in 1954.
Harley-Davidson Motor Company has entered into an agreement to use the vehicle test facility to test their motorcycles. Harley-Davidson currently occupies several buildings at the test facility, including at least one they custom built.
Features.
Arizona Proving Ground has more than of concrete and earthen surfaces on that are continuously maintained. It includes a five-mile (8 km) high speed banked oval track, with a myriad of other road testing surfaces. With extended operations in the nearby mountain range, at elevations ranging from above sea level, and varied terrain and annual temperatures ranging from , APG provides a wide spectrum of vehicle testing conditions.
Details about the facility:
Chelsea Proving Grounds (Chelsea, Michigan).
Location:
Details about the facility:
Florida Evaluation Center (Naples, Florida).
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Stats: 530 acres (2.1 km²), 6.2 miles (10 km) of roads
Major facilities: Straightaway, lane change area, handling course, sound test area 
Major testing: Warm weather performance and handling
This facility has been taken over by Chrysler in early 2013 with Harley-Davidson leasing parts of the facility
Former Facilities.
Arizona Proving Ground (Wittmann, Arizona).
Location:
Covers an area of , of which are fenced.
The facility also includes an area to test sun exposure on vehicles and components, a city traffic course, a corrosion-preparation facility and access to mountain grades.
This facility is being retired as it has been sold to home builders / land developers.