* Interstate 55 (I-55): This north-south highway runs through the eastern part of Arkansas, passing through cities such as Blytheville, Jonesboro, and Memphis.
* Interstate 30 (I-30): This east-west highway runs through the southern part of Arkansas, passing through cities such as Texarkana, El Dorado, and Little Rock.
* Interstate 69 (I-69): This north-south highway is currently under construction and will eventually run through the western part of Arkansas, passing through cities such as Fort Smith, Clarksville, and Texarkana.