March 23, 2018 – Three “L” Rapid transit trains pass through tower 18 junction, just down from the Chicago Transit Authorty’s Clark/Lake Street Station, during the evening rush hour in Chicago, Illinois. For decades, the Tower 18 junction at Lake & Wells was billed as the busiest railroad junction in the world. – #jimstrainphotos #illinoisrailroads #trains #nikond800 #railroad #railroads #train #railways #railway #cta #commutertrains.