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WS Nash line of 1954 models on highway; Ambassador is first followed by Statesman, Rambler, and Metropolitan / MS POV looking through front windshield of Metropolitan and it passes the Statesman and Ambassador on the road / WS HA cars in a line driving on a dirt road / WS line of 1954 Nash cars driving on a gravel road turns toward gate to Nash Proving Grounds and passes through / CU as Metropolitan passes through, security guard closes the gate / WS line of 1954 Nash cars driving over the "Cobblestones" test track / WS LA line of 1954 Nash cars driving over the "Washboard" test track 1954 Nash line of cars on road and test track at Nash Proving Grounds on January 01, 1954 in Burlington, Wisconsin (Footage by Getty Images)