NASCAR abandoned North Carolina Speedway to make way for a
different track to open. NASCAR will not extend the season by
adding more races.
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Well with my research the former popular Lowe's Motor Speedway
is now called the Charlotte Motor Speedway. The Charlotte Motor
Speedway is located in North Carolina.
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North Wilkesboro Speedway was created in 1947.
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Thunder Valley is the nickname for Bristol Motor Speedway in Bristol, Tennessee.