From Mark's list on subways and urban trains.
Here is an example of a work that leaves no stone unturned, and does the job properly. There is an excellent introduction on the historical signage of the Subway, a proper explanation of why a new wayfinding system was necessary, the most comprehensive history on why Unimark was chosen to improve the signage and all the images you need of how their 1970 'Graphics Standards Manual' was implemented. Shaw rightly explains the move from the Standard Medium typeface to Helvetica and why it superseded Standard Medium and the fate of the original Unimark system.
Why should I read it?
What is this book about?
How New York City subways signage evolved from a “visual mess” to a uniform system with Helvetica triumphant.
For years, the signs in the New York City subway system were a bewildering hodge-podge of lettering styles, sizes, shapes, materials, colors, and messages. The original mosaics (dating from as early as 1904), displaying a variety of serif and sans serif letters and decorative elements, were supplemented by signs in terracotta and cut stone. Over the years, enamel signs identifying stations and warning riders not to spit, smoke, or cross the tracks were added to the mix. Efforts to untangle this visual…