TORONTO - APRIL 24: A school bus on April 24, 2011 in Toronto. In United States and Canada, every day over 480,000 school buses transport 26 million children to and from schools.
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TORONTO - APRIL 24: A school bus on April 24, 2011 in Toronto. In United States and Canada, every day over 480,000 school buses transport 26 million children to and from schools.