Service connecting branches of 1/3 Lines

The most rarely used connecting branch, although it was necessary to ride on it as a passenger. From the side of the station Ploshchad Vosstaniya, the maintenance point begins:

Since this connecting branch is rarely used, its appearance is somewhat abandoned.

Somewhere there is a bathroom, according to experts - an unusual look.

In front of the station Mayakovskaya, the connecting branch bifurcates:

By the way - this is how the "horizontal elevator" Mayakovskaya looks from the inside: