rush hour scene of chicago`s elevated `el` train track passing over the chicago river.

aerial architecture autumn bridge bridgehouse buildings cement chicago chicagos city cityscape commute commuters downtown dusk elevated evening exterior glass glimmering hour illinois iron lines loop midwest mirrored modern moving outdoors outside over passing people perspective platform railing rails reflection reflective river riverfront riverwalk road rush scenery skyscraper steel stone street system tower track tracks traffic train transit transportation traveling urban usa view waters west windows