However, the area around the Metro Center Mall on the southwest terminus grew significantly in the late 70's shortly after road opening and more recently, the County-line Road area near the north terminus has grown significantly around a new mall development. This is the potential new number for the limited access route being established between Memphis and Birmingham via US 78. MS has completed this route in its entirety but Alabama is only a few miles into their section of the road. In addition, Tennessee may need to upgrade the section of US 78 connecting with I-240 in Memphis. Route and exits as they exist.
Exit numbers are approximate.
Exit 57 - Springdale Ave. No plans have been made to make this route limited access. This interstate is Mississippi's longest and along with I-20, one of the most important to the state. This interstate took until 1973 to be completed. It serves to connect Jackson with Memphis and New Orleans and all points in between.