Article Photos: US roads, airports unready for extreme weather 3/4

  FILE - This Oct. 30, 2012 file photo shows water reaching the street level of the flooded Battery Park Underpass, Tuesday in New York, remnants from Superstorm Sandy. 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/ Louis Lanzano, File)