Ask Geoffrey: How the ‘L’ Do You Spell That?

As a lifelong Chicagoan, I have this insatiable appetite for interesting facts about Chicago history.  Did you know that one of the predecessors of the Blue Line used to go as far west as Westchester?  Here’s a little tidbit from one of my favorite Chicago history nerds, Geoffrey Baer:

Geoffrey Baer tackles three questions about Chicago’s beloved rapid transit system, including the various spellings of the system, old downtown entrances between elevated stations and Loop stores and a mysterious tunnel a viewer spotted while riding the Blue Line.

Source: Ask Geoffrey: How the ‘L’ Do You Spell That?