Two Chicago Transit Authority trains negotiate the interlocking at CTA Tower 18 on the elevated routes over Lake Street and Wells Street in Chicago, Illinois, on November 8, 2018. This crossing is... (more)
A Chicago Transit Authority train heads east on the elevated railway above Lake Street through a canyon of skyscrapers in Chicago, Illinois, on November 8, 2018.
Non-stop action at possibly the busiest rail junction in the world. Most of the people of Chicago never see this view of the action, but they sure do hear it when trains rumble across it!!