Milford Proving Grounds turns 100; GM employees celebrate the centennial
General Motors – More than 7,000 General Motors employees, retirees, and their families gathered at the company’s Milford Proving Ground site in southeastern Michigan Saturday to mark the 100th anniversary of the company’s flagship vehicle testing facility. Rarely open to visitors, Milford covers 4,000 acres and features nearly 150 miles of roads for testing GM…
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