Montgomery County, Illinois, is detailed through the GIS dataset focused on US Electric Power Transmission Lines. This dataset contains mapped transmission lines such as those from Roxford to Coffeen and another from Austin to Pana, all currently in service and characterized as AC; overhead. Both feature a voltage class of 345, offering unique insights into the region's energy distribution framework as maintained by entities like Ameren Illinois Company. GIS professionals working on infrastructure projects in Montgomery County can greatly benefit from this precise and location-specific data.