Here is link to an article in the New Yorker highlighting the work of a dedicated individual, Philip Ashforth Coppola, who has taken on the mission of recording the 472 subway stations in New York City.
His work is currently featured at the New York Transit Museum. http://www.nytransitmuseum.org/program/onetrackmind/
Selections of his drawings have been published in a book called One Track Mind. https://www.amazon.com/One-Track-Mind-Drawing-York-Subway/dp/1616896744
A documentary on him can be viewed by those who are Amazon Prime members.