"The Association of American Railroads said on Thursday that major railroads delivered 434,042 carloads of crude oil in 2013, an increase of 83 percent from 2012."
The Associated Press had the story March 13, 2014.
SEE ALSO:
"Surge in Rail Shipments of Oil Sidetracks Other Industries" (Wall St. Journal)
"Oil Boom Creating Unexpected Traffic Jam on the Rails for Farmers" (Stateline)
"Grainspotting: Farmers Get Desperate as Coal And Oil Take Over the Rails" (Grist)
Source: NY Times, 03/14/2014