Our trains are permanently linked in five car sets. There is nonneed for decouopling. Second,urine isnt a problem on OG trains because, you know, there' s nowhere for them to piss.
On the topoc of odors. As someone whose ridden OG trains in Paris (where the bums smell way worse, trust me), i can assure you that won't be an issue. Cars with homeless smell as bad as they do simply because the particles that make up the stench have nowhere to go. On an OG train, that's less of an issue because they are now in a more open environment that would naturally have better ventilation, thus spreading out the particles enough so the stench is minimized.
Lastly, there are security benefits to not having closed cars. It's a natural evolution since the original NTT generation introduced glass for us to see the next car for those very reasons. Aaaand for a sense of openness.
The other points are too intelligible for me to understand.
@Around the Horn By the time the Options are awarded, the MTA would have the data they need. Remember, they arent supoosed to start coming in until around 2023. The whole point of having 20 test cars is to speed up that process.