Interstate 20
| Route information | |
|---|---|
| Length | 1,539.38 mi (2,477.39 km) |
| Existed | 1957–present |
| NHS | Entire route |
| Major junctions | |
| West end | I-10 in Reeves County, TX |
| |
| 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 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.).