Green River. A Chicago Transit Authority electric train navigates downtown as it crosses the Chicago River, which is dyed green for Saint Patrick's Day.

Built in 1907 the Englewood structure was high enough to cross over the railroad in the background then in the 1970s the Dan Ryan expressway undercut the elevated giving more elevation. A charter ... (more)

Passengers ride across the interlocking at Tower 18 on a CTA train, silhouetting with its arcing of electrified rail against downtown Chicago buildings as another CTA train waits its turn across t... (more)

It's an electrifying Friday night in Downtown Chicago!