Interstate 20

Interstate 20 marker
Interstate 20
Map
Route information
Length1,539.38 mi[1] (2,477.39 km)
Existed1957–present
NHSEntire route
Major junctions
West end I-10 in Reeves County, TX
Major intersections
East end I-95 / I-20 BS in Florence, SC
Location
CountryUnited States
StatesTexas, 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.).

  1. ^ Starks, Edward (January 27, 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved February 17, 2023.