Interstate 820 (I-820) is a loop of I-20 in Fort Worth, Texas, of approximately 35.17 miles (56.60 km) around the city and some of its suburbs. Exit numbers begin at its intersection with I-20 in southwest Fort Worth, and continue in a clockwise direction around the city until it ends at its intersection with I-20 in southeast Fort Worth. A portion of I-820 in the northeast quadrant is cosigned with State Highway 121 (SH 121) as well as SH 183.