A company proposes shipping crude oil by barge across Lake Superior to keep up with the booming supply from North Dakota and Canada. Jack Rendulich/AP hide caption

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A police officer stands guard at the scene of a Metro-North passenger train derailment in the Bronx borough of New York on Dec. 1. John Minchillo/AP hide caption

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It takes Chicago resident Sarah Hairston two hours to go 15 miles to get to her part-time job. David Schaper/NPR hide caption

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The Willis Tower (left) in Chicago, photographed on Feb. 15. One World Trade Center (right) in New York City, photographed on Thursday. Saul Loeb/Getty Images / Mark Lennihan/AP hide caption

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Reverse commuters, include Kathy LeVeque (in the foreground), wait for an approaching outbound Metra commuter train at the Mayfair neighborhood stop on Chicago's northwest side. David Schaper/NPR hide caption

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An expert FAA advisory committee has recommended that airline passengers be allowed to use most personal electronic devices below 10,000 feet. Leonardo Patrizi/iStockphoto.com hide caption

itoggle caption Leonardo Patrizi/iStockphoto.com