New York City's metro system is known for being one of the best in the world and also one of the worst. The Riders Alliance, a non-profit organization working on transit issues within New York City, wanted to put pressure on New York's governor to fund the subway. They started a full fledged campaign collecting horror stories from New York City's subway riders to be published in a book.
The font used is the same font that the MTA uses for it's signage, Helvetica, as well as the letters are based upon the symbols used to depict each train.