Interstate 20 (abbreviated I-20) is a major east-west interstate highway in Texas and the southeastern United States. I-20 runs 1,535 miles (2,470 km) from near Kent, Texas, at Interstate 10 to Florence, South Carolina, at Interstate 95.[3] Besides Texas and South Carolina, I-20 runs through northern Louisiana, central Mississippi, western and north-central Alabama, and north-central Georgia.

From its terminus at I-95, the highway continues about two miles eastward into the city of Florence as Business Spur 20.

I-20 map