Malfunction Junction is a common nickname for a number of highway interchanges, especially ones that are poorly designed, dangerous, and/or suffer from severe traffic congestion:

Malfunction Junction, interchange at Interstate 240 and Interstate 55 in Memphis, Tennessee. Malfunction Junction, former interchange configuration at Interstate 20/Interstate 59, and Interstate 65 in Birmingham, Alabama. It was closed for renovation on January 21, 2019 Malfunction Junction, interchange at Interstate 4 and Interstate 275 in Tampa, Florida Malfunction Junction, interchange at Interstate 26 and Interstate 40 in Asheville, North Carolina Malfunction Junction, former interchange configuration among Interstate 75, State Route 4 and local streets in Dayton, Ohio Malfunction Junction, interchange at Interstate 26 and Interstate 20 near Columbia, South Carolina Malfunction Junction, interchange configuration between Interstate 40 and Interstate 275 adjacent to downtown Knoxville, Tennessee Malfunction Junction, intersection at U.S. Route 25E, U.S. Route 25W, and U.S. Route 25 in Corbin, Kentucky Malfunction Junction, former configuration of the Tom Moreland Interchange near Atlanta, Georgia Malfunction Junction, interchange at I-565 and Memorial Parkway in Huntsville, Alabama Malfunction Junction, interchange configuration at Interstate 24 and Interstate 65 just north of downtown Nashville, Tennessee

Similarly named junctions

Disfunction Junction, the southeastern terminus of New York Route 73 at U.S. Route 9

See also "Conjunction Junction", animated educational short from the Schoolhouse Rock! series Dead Man's Curve Spaghetti junction