DGNO operates over portions of several rail lines totaling approximately , including industrial leads. The line extends from Trenton, Texas to Garland, Texas, then from Garland to Dallas via trackage rights over Kansas City Southern Railway and Union Pacific.
The DGNO railway network covers a significant distance, encompassing both general freight and industrial routes. It connects Trenton, Texas to Garland, Texas, with an extension to Dallas through trackage agreements with the Kansas City Southern Railway and Union Pacific.