Going Under

This was the first time I had ever seen floors with negative numbers.

Elevator Negative Floors

I wonder why they opted for this naming system instead of B1 and B2 (for basement one and basement 2) or some other scheme.

I do not think I would understand if someone told me:

“Come on by my office. I’m on the negative second floor.”

Do you have any ideas for a better way to name subterranean floors?


  1. P Dempsey says:

    I’ve seen B for basement & B1 & B2 for additional subterranean floors. Also, S, S1 & S2 for sub floors. Truly. In downtown Chicago.

  2. conalldempsey says:

    @P Dempsey

    The B is definitely pretty standard. I don’t know if I’ve ever seen S, but I like the concept much more than the negative sign.

    Thanks for stopping by and joining the conversation.

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