Interstate 20

Interstate 20
Route information
Length	1,539.38 mi[1] (2,477.39 km)
Existed	1957–present
NHS	Entire route
Major junctions
West end	I-10 in Reeves County, TX
Major intersections	I-30 in Aledo, TX I-35W in Fort Worth, TX I-35E in Dallas, TX I-45 in Dallas, TX I-49 in Shreveport, LA I-55 in Jackson, MS I-59 from Meridian, MS to Birmingham, AL I-65 in Birmingham, AL I-75 / I-85 in Atlanta, GA I-77 in Columbia, SC
East end	I-95 / I-20 BS in Florence, SC
Location
Country	United States
States	Texas, Louisiana, Mississippi, Alabama, Georgia, South Carolina
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future

Interstate 20 (I‑20) is a major east–west Interstate Highway in the Southern United States. I-20 runs 1,539 miles (2,477 km) beginning at an interchange with I-10 in Reeves County, Texas, and ending at an interchange with I-95 in Florence, South Carolina. Between Texas and South Carolina, I-20 runs through northern Louisiana, Mississippi, Alabama, and Georgia. The major cities that I-20 connects to include Dallas-Fort Worth, Texas; Shreveport, Louisiana; Jackson, Mississippi; Birmingham, Alabama; Atlanta, Georgia; and Columbia, South Carolina.

From its terminus at I-95, the highway continues about two miles (3.2 km) eastward into the city of Florence as I-20 Business (I-20 Bus.).