There are some pics in a recent nytimes article. Looks incredibly old, especially if you compare all the computing power in the phones of its riders. https://w

There are some pics in a recent nytimes article. Looks incredibly old, especially if you compare all the computing power in the phones of its riders. https://www.nytimes.com/2017/05/01/nyregion/new-york-subway-signals.html https://www.nytimes.com/2017/05/01/nyregion/new-york-subway-...