interstate 820とは 意味・読み方・使い方

Interstate 820 (abbreviated I-820) is a loop of Interstate 20 in Fort Worth, Texas of approximately 35 miles (56 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 co-signed with State Highway 121 as well as State Highway 183. The northwest segment of the loop is officially designated as the Jim Wright Freeway after former United States House Speaker Jim Wright. However, the name is not commonly used, the colloquial reference by the general public is 820.