FILE - This May 1, 2014 file photo shows the site where several CSX tanker cars carrying crude oil derailed and caught fire along the James River near downtown Lynchburg, Va. U.S. Railroads forced to turn over details on crude oil shipments are asking states to sign agreements not to disclose the information but some officials are refusing, saying it should be public. Federal officials last month ordered railroads to make the disclosures following a string of fiery tank car accidents in North Dakota, Alabama, Virginia, Quebec and elsewhere. (AP Photo/Steve Helber, file)
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