Stellantis Media Site FCA US Proving Grounds Contact: Jodi  Tinson Eric  Mayne FCA US Proving Grounds Chelsea Proving Grounds3700 S Mi State Rd 52, Chelsea, Michigan, United States Acreage: 4,000 acres Road Surface: 100 lane miles Employment: 481 employeesSite Background:  The Chelsea Proving Grounds, located about 70 miles from the FCA US headquarters in Auburn Hills, Michigan, opened in 1954. With most of the facility operating 24 hours a day, 365 days a year, it conducts 85 percent of vehicle testing scenarios including impact barrier tests; safety sled; emissions build and testing; emissions development and certification; powertrain calibration; performance and fuel economy; corrosion tests; and brake systems development and certification.The Company announced in September 2018 that it has invested more than $30 million at the facility to further development and testing of autonomous vehicle and advanced safety technologies. The all-new facility features a dedicated autonomous highway-speed track, 35-acre safety-feature evaluation area and a high-tech command center. ****** Arizona Proving Grounds1 Proving Ground Road, Yucca, Arizona, United StatesAcreage: 4,000 acresRoad Surface: 70 lane milesEmployment: 69 employeesSite Background: Purchased in 2007, the year-round testing facility includes an 18-acre vehicle dynamics area; durability mileage accumulation testing (specifically for high temperatures and dust); noise, vibration and harshness (NVH) development; pass-by-noise development and certification; and solar load and thermal tests.******Florida Evaluation Center5301 34th Ave. SE, Naples, Florida, United StatesAcreage: 500 acresEmployment: One (1) employeeSite Background: The Florida Evaluation Center was purchased in 2012 to serve as a winter coast down test site from January to March. Testing includes powertrain calibration as well as ride and NVH development.(Updated: July 2019)