spaghetti bowl
n.β Β«Riding the subways was something many of the suburban commuters approached with trepidationβdeciphering the psychedelic spaghetti bowl that is a New York subway map,Β» ββIn Bronx, Commuters Learn ABCβs Of IRT” by William E. Geist New York Times Mar. 9, 1983. (source: Double-Tongued Dictionary)