I used to take the 456 line on Lexington Ave. back and forth between Home & Work for the past 5 years. In January, the Q line on 86th st. opened, and although it takes me ~10 minutes longer each way, it is a MUCH more pleasant experience. The 456 is a nightmare, and I can tell you first hand, that it is crowded to a point where it is inhumane (imagine people literally fighting for a spot to have the "privilege" to sm…
I only lived about 2 miles from work so as long as there wasn't a foot of snow on the ground, I would just walk. 40 minutes of fresh air beats 20 minutes on a stuffy train every time.
It was definitely a welcome addition though. It probably takes half the time to get to Penn Station from the UES now.