Chicago photographer Oscar Arriola posted these old Chicago Transit Authority (CTA) map and brochure covers to his Flickr photostream. Jared Kachelmayer posted even older brochures to our Flickr group.
[flickr]photo:6349313703[/flickr]
System map from February 1993, which includes the rail system reroutes that created the Red and Green Lines. Continue reading Grid Shots: Vintage Chicago Transit Authority