If you’re planning a road trip along the southern United States, you might be wondering how many states does I-20 go through. I-20 is a major east-west highway that stretches over 1,500 miles from Texas to South Carolina. It passes through several states along the way, each with its own unique attractions and landmarks.
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The States I-20 Passes Through
I-20 passes through a total of six states, including Texas, Louisiana, Mississippi, Alabama, Georgia, and South Carolina. Each state has its own set of attractions, making I-20 a great road trip option for those looking to explore the southern United States.
Texas

Starting in the west, I-20 enters Texas and passes through cities like Odessa, Midland, and Abilene. Texas is known for its wide-open spaces, and there are plenty of opportunities to explore the state’s natural beauty along I-20. Some popular attractions in Texas include Big Bend National Park, the Fort Worth Stockyards, and the city of Dallas.
Louisiana

Next up is Louisiana, where I-20 passes through the cities of Shreveport and Monroe. Louisiana is known for its unique culture, including its delicious Cajun and Creole cuisine. Some popular attractions in Louisiana include New Orleans’ French Quarter, the historic plantations along the Mississippi River, and the swamps of the Atchafalaya Basin.
Mississippi
I-20 then enters Mississippi, passing through the cities of Vicksburg and Jackson. Mississippi is known for its rich history, including its role in the Civil War and the Civil Rights Movement. Some popular attractions in Mississippi include the Vicksburg National Military Park, the Mississippi Blues Trail, and the city of Biloxi on the Gulf Coast.
Alabama

After Mississippi, I-20 enters Alabama and passes through the cities of Birmingham and Montgomery. Alabama is known for its beautiful beaches along the Gulf Coast, as well as its role in the Civil Rights Movement. Some popular attractions in Alabama include Gulf Shores Beach, the U.S. Space & Rocket Center in Huntsville, and the historic city of Mobile.
Georgia
Next up is Georgia, where I-20 passes through the cities of Atlanta and Augusta. Georgia is known for its charming small towns, as well as its vibrant capital city of Atlanta. Some popular attractions in Georgia include the historic city of Savannah.
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