FILE - In this Jan. 27, 2015 file photo, aA snowplow clears a street near Quincy Market in Boston. More than $1 billion was spent and 6 million tons of salt used to keep highways operating in nearly ... more 
FILE - In this Jan. 27, 2015 file photo, aA snowplow clears a street near Quincy Market in Boston. More than $1 billion was spent and 6 million tons of salt used to keep highways operating in nearly two dozen states during the recent harsh winter, according to a first-ever survey of state transportation officials. (AP Photo/Steven Senne, File) less 
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Associated Press | Photo By Steven Senne, File
Sun, May 3, 2015 8:51 AM EDT