Mississippi Highway 18

Mississippi Highway 18
Mississippi Highway 18
Route information
	Maintained by MDOT
Length	185.5 mi (298.5 km) (177.654 mi excluding concurrencies)
Existed	1932–present
Major junctions
West end	US 61 in Port Gibson
	I-20 in Jackson; US 80 in Jackson; US 49 / MS 468 in Pearl; US 80 in Brandon; I-59 in Pachuta; US 11 in Pachuta; US 45 in Quitman;
East end	CR 20 at Alabama border near Quitman
Location
Country	United States
State	Mississippi
Counties	Claiborne, Copiah, Hinds, Rankin, Smith, Jasper, Clarke
Highway system
	Mississippi State Highway System; Interstate; US; State;

Mississippi Highway 18 (MS 18) is a state highway stretching across central Mississippi, from just a couple miles inland of the Mississippi River, through the state capital of Jackson, to the Alabama state line. It runs from east to west for 177.654 miles (285.906 km), serving 7 counties: Claiborne, Copiah, Hinds, Rankin, Smith, Jasper, and Clarke.