Quick View Traintrackr NYC Subway Circuit Board 2.0—A High-Tech Way To Visualize Your Commute $219.00 CLICK TO BUY Here’s a way to visualize your commute: the Traintrackr NYC Subway Circuit Board is a high-tech, functional art piece that uses 599 color LEDs to track the locations of NYC subway trains in real time. The board receives data from the...