LA Sheriff Dept. tests cars on Fontana track

FONTANA, Calif. At the end of the course, the cars are checked and data are passed along to manufacturers to help improve cars.

The L.A. County Sheriff's Dept. says it knows durable cars because it uses cars under extreme conditions, sometimes in 24- to 48-hour stretches.

Two new vehicles, the Chevrolet Caprice and the Dodge Charger, will soon replace the outgoing vehicles.

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