Chicago's mass transit system. Its both elevated (hence where the name EL stems from) and subway. best damn train system in the US.
El by chi-town baller December 28, 2004
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EL by Wonderbread1988 October 4, 2011
phillys elevated rail system. above ground from bridge and pratt to spring garden, below from 2nd street to somewhere in west philly where it goes above ground until 69th street
Open el door-o, would you?
El by Diggity Monkeez May 22, 2005