Access comprehensive data on electric power transmission lines within Madison County, Illinois, tailored for GIS professionals managing utility infrastructure and related projects. This dataset, titled "US Electric Power Transmission Lines," provides vital information on three overhead AC transmission lines currently in service. Each entry lists detailed attributes such as voltage class, owner, source of data verification, and substantial length measurements, enhancing location analysis and infrastructure planning. Notable transmission lines include connections from Roxford to Coffeen and Roxford to Sioux, illustrating key segments of the area’s electrical grid structure. This dataset serves as an essential tool for detailed regional power distribution analysis and operational oversight.