Photo by PoPville flickr user Glyn Lowe Photoworks.
Thanks to a reader for sending the link RIP Massimo Vignelli: The Iconic Designer Who Shaped a Century:
“Vignelli designed porcelain enamel pylons which would include all the relevant information and complement the look of the platforms. In addition to the signage, it was Vignelli who suggested they name it simply the “Metro” instead of a string of acronyms.”
You can read more about Vignelli’s life here.