Definition of "pileups" []

• Plural form of pileup. (noun)

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• "The pileups were another way gars were injuredjust the kind of thing she was trying to avoid."
• "But police are finding they can help with other duties, including monitoring crowds at parades, performing reconnaissance ahead of raids and helping ground officers respond more quickly to accidents such as highway pileups and hazardous-material spills."
• "The Texas Transportation Institute's Mr. Lomax estimates Houston's tow truck army saves $25 million to $30 million in congestion costs and about $30 million in collisions that could have resulted from chain-reaction pileups."