Interstate 20

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Interstate 20 marker

Main route of the Interstate Highway System
Main • Auxiliary • Business

Interstate 20 (I-20) is a major east–west Interstate Highway in the Southern 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] Between Texas and South Carolina, I-20 runs through northern Louisiana, central Mississippi, western and north-central Alabama, and north-central Georgia. I-20 intersects with seven of the 10 primary north–south interstates (all except I-5, I-15 and I-25) and also with the major Interstate routes I-10, and I-30.

From its terminus at I-95, the highway continues about two miles (3 km) eastward into the city of Florence as Business Spur 20.


Route description


Interstate 20 begins 10 miles (16 km) east of Kent at a fork with Interstate 10. From there, the highway travels east-northeastward through Odessa, Midland, and Abilene before turning eastward towards Dallas/Fort Worth. The La Entrada al Pacifico corridor runs along I-20 between U.S. Route 385 and FM 1788. Between Monahans and I-10, I-20 has an 80 mph (130 km/h) speed limit, the highest in the United States.

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