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.
Signed as exits 40A (west) and 40B (east) westbound; MS 18 doesn’t terminate at nor have concurrency with I-20, it continues unsigned during the concurrency of US 80, then it returns back to I-20 at the other side, where the route begins to be signed again
MS 18 doesn’t terminate at nor have concurrency with I-20, it continues unsigned during the concurrency of US 80, then it returns back to I-20 at the other side, where the route begins to be signed again
Interstate 220 (I-220) in Mississippi is a loop around Jackson that provides an Interstate connection for I-55 and I-20. The northern terminus for the route is in the northern suburb of Ridgeland, at I-55 exit 104. The highway was Mississippi's first three-digit Interstate, complete by 1981.
The route of I-220 is defined in Mississippi Code § 65-3-3.