Submission – Historical Map: Chicago Regional Transportation Authority, 1977
Submitted by Dennis McClendon, who has previously submitted material related to transit mapping in Chicago that I’ve featured on the site. This map is a real beauty, and I definitely appreciate Dennis’ ability to talk about the technical aspects of cartography in the days before computers. We take computer-aided design almost completely for granted today – but map-making was a laborious, manually performed task back then, where a scalpel, a light box and rubylith film […]









