Busch and Concrete Carl are good anchors
Of the 22 tracks that comprise NASCAR's Sprint Cup circuit, only two -- Bristol and Dover -- have concrete surfaces. The fast, high-banked ovals opted for concrete several years ago after repeated efforts to keep the asphalt from tearing up failed.
Track officials at both Bristol and Dover had found a quick fix because their surfaces were no longer coming apart and creating crashes and controversy. Drivers discovered concrete wasn't as temperamental as asphalt when it came to changing ...
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