A Waterloo, IA, to Arthur, IA, local is stopped at Tara waiting on a crew to coming out and clean the crossing heading into Valero to spot a unit ethanol train. This local left Waterloo with 157 cars, 2 empty unit ethanol trains for Tara and Arthur. At Tara this train used headroom on the Cherokee Sub to spot Tara and then will head down the Omaha and Ida Grove Subs to get to Arthur.