Green’s Dictionary of Slang

(US) a major congestion, usu. a traffic jam.

1975		L. Dills CB Slanguage.
1984		W. Safire I Stand Corrected 381: In Detroit, the most jammable interchange is called the Malfunction Junction.
1998		Florida Sustainable Communities Center 🌐 The intersection of I-275 and I-4 in downtown Tampa has been widely dubbed Malfunction Junction. Aggressive and speeding drivers make rush hour traffic a nightmare.
2002		Crimson White (Birmingham, AL) 3 Oct. 🌐 Birmingham’s Malfunction Junction may soon function better thanks to a proposed highway expansion project. A number of changes are in the making for the interchange of Interstate 20/59 and Interstate 65, known to many as ‘Malfunction Junction’.