US roads, airports unready for extreme weather - Article Photos 1/4

FILE - This Oct. 30, 2012 file photo shows man peering into the closed Bowling Green subway station in New York, after Superstorm Sandy his the east Coast. Extreme weather is a growing threat to the nation's lifelines _ its roads, bridges, railways, airports and transit systems _ leaving states and cities trying to come to terms with a new normal. (AP Photo/Richard Drew, File)