spaghetti junction
- an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
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Word Origin
C20: from the nickname of the Gravelly Hill Interchange, Birmingham, where the M6, A38M, A38, and A5127 intersect
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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