MTA is already capable of OPTO on at least 2 lines (7 & L) and even ran a a train line (L) with it.. 20 years ago, but lost to the union. https://www.reddit.co

MTA is already capable of OPTO on at least 2 lines (7 & L) and even ran a a train line (L) with it.. 20 years ago, but lost to the union. https://www.reddit.com/r/transit/comments/1l3qcn3/nyc_in_2005_mta_ended_opto_oneperson_train/ https://www.reddit.com/r/transit/comments/1l3qcn3/nyc_in_200... So a classic NYC problem of paying for upgrades to infra to support OPTO, and then not actually being able to use it, for "reasons".