The Chrysler proving ground from space
After a six month rebuild program the high-speed oval track at Chrysler's Chelsea Michigan Proving Ground has re-opened. The first official test run on the new track was the 2007 Michigan State Police vehicle evaluation. The 4.71 mile oval was originally constructed in 1953 and had never been completely resurfaced until now. The increasingly bumpy surface has turns banked at an angle that allows for driving at 140 mph without steering input.
The old surface was made of concrete and repairs required significant amount of downtime for the track so that sections could be cut out, refilled and allowed to set. Rather than just resurface the facility, Chrysler completely ripped out all the concrete and rebuilt the base. The old concrete was ground up and used to build the base of the new track. Full drainage was provided around the underside of the entire surface of the track which allowed the ditches that used to line the inside of the road surface to be eliminated.
Continue reading about changes to the oval after the jump.
Continue reading Chrysler Proving Ground high-speed oval re-opens after rebuild
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