Final answer:
On National Aeronautical Charting Group (NACG) en route charts, the special use airspace information is available on the graphical legends.
Step-by-step explanation:
On National Aeronautical Charting Group (NACG) en route charts, the special use airspace information is available on the graphical legends. The graphical legends provide essential information such as the area name or number, effective altitude, time and weather conditions of operation, and the controlling agency. This information helps pilots navigate and understand the special use airspace depicted on the charts.