skyliner - That railyard has always been a good place to railfan. It is located just over a mile from where I worked for 43 years, and I would visit it on my lunch break occasionally. Originally it was quite busy as a Cotton Belt (SSW) yard on their E-W main between Wylie TX, (North Dallas), and Ft Worth TX. Then by default it became an SP yard, then a UP, although by the UP days it was mostly abandoned, but left in place for storage. DG&NE leases it and the trackage east from UP now, as well as some N-S trackage just a bit west under the DART light rail line. That N-S track is ex-MKT track from Dallas to Denton TX. West of the IH35E freeway, UP leases the old Cotton Belt track to the Ft Worth & Western RR. A quarter mile west of the actual yard is an interchange with the now BNSF main (ex Frisco, SLSF and ex-BN) running SW to NE from Dallas to Sherman TX. There is an diamond, actually a triangle there, that still exists between the old MKT, SLSF, and SSW lines, which used to provide major headaches for surrounding traffic, as many major roads run nearby. They just recently elevated Belt Line Road, and the IH35E service roads over most of the railroads. However, since 1990, only BN and now BNSF regularily run trains along their main, as many as 24/day. DG&NE runs mainly east and there are a few interchange trains with FWWR coming in every week. The ex-MKT trackage is mostly ripped up and has been replaced by DART's light rail system that they either lease or bought from UP. North of Carrollton, it is leased to DCTA, a comuter rail line going north to Denton. There are a couple of industries left in Carrollton that get rail service via DG&NE on ground level rails in the area, with the DART line running overhead.