came back to a self portrait I started

My guess is that, very much like the Mona Lisa, this is unfinished.

Legs are looooong

The one on the right does look like some of the Flirt trains, but it seems smaller. Maybe https://www.sbb.ch/en/travel-information/services-on-train/our-trains/gtw-seetal.html

That one has a white “B pillar” or whatever it’s called in train terminology, but the one in the picture looks like it could be the same structurally, just that part is black.

The one on the left looks like https://en.wikipedia.org/wiki/SBB_RBDe_560

Смерть всім, хто стоїть на перешкоді здобуття вільності трудовому люду!

Fed to a translation tool is supposedly

Death to all who stand in the way of gaining freedom for the working people!