Design by Grimshaw Billings Jackson with Systra/HNTB, photo courtesy MTA/Rob Wilson.. It's prototypelooza today! First ten possible prototype back racks of the future were revealed, and now the MTA has upstaged the DOT with their own street furniture prototype, installed in front of 151 West Broadway between Worth and Thomas Streets. The second of three multi-purpose prototypes, it's designed to prevent subway flooding while ventilating the subway system AND providing benches to sit on AND......