Service 1U81 ( Gatwick Express service) is incomplete able because a Gatwick express service is stuck at the entrance to London Victoria
Ok just tested this, when spawning in 1U81, I'm met with an instant de-rail message as the signals dont register. I've recorded this and I'll attach said video once upload, note I'm also using gen 9 on xbox EDIT here is the video I recorded or 1U81. Note that this is if you spawn into service, I also tested spawn in on foot, which the 2 trains outside victoria pass each other as they should.
Confirmed on PC too. A London Bridge service comprised of a 387 and 377 gets stuck on the throat of the station and everything just crumbles