155.1

If you are on Stratum 1, go to 155.2

Otherwise, read:

You scramble up the final few meters of the slope, feet sliding on the slippery surface. You emerge onto a landing. Doorways lead into higher levels of the arcology, and to one side, another walkway stretches upward, rising to some higher level still.

Travel to any location on the map one stratum above your current location (if you are at a location on Stratum 3, travel to any location on Stratum 2, and if you are at a location on Stratum 2, any location on Stratum 1). Use the Cave System terrain set when constructing the path deck.