One can see a lot goes on here as the CN/UP/BNSF all cross each other, going different ways for mainlines and industrial leads. The CN is currently shoving over to deliver to the BNSF and DAIR. The switcher will be going left to right on the BNSF Aberdeen Sub soon so they can shove into the yards at Steuben. Basically, the BNSF Aberdeen Sub crosses the UP Sioux City Sub, with a UP/CN lead to the BNSF, and a CN lead to their State Steel Customer, ALL Controlled by stop signs! It's a cute place!