Interstate 20 in Mississippi
| I-20 highlighted in red | ||||
| Route information | ||||
| Maintained by MDOT | ||||
| Length | 154.5 mi (248.6 km) | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end | I-20 / US 80 at Vicksburg | |||
| 
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| East end | I-20 / I-59 at the Alabama line | |||
| Location | ||||
| Country | United States | |||
| State | Mississippi | |||
| Counties | Warren, Hinds, Rankin, Scott, Newton, Lauderdale | |||
| Highway system | ||||
| 
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Interstate 20 (I-20) is a major thoroughfare through the central region of the US state of Mississippi. Spanning 154.5 miles (248.6 km), it connects Jackson and I-55 with Vicksburg and the Mississippi River in the west and Meridian and I-59 in the east.