[hobotime]

ADA law in the US financially prohibit this. Once you need an elevator, the costs go though the roof for the building. Elevator design, installation, inspection and repair are incredibly expensive and eat up a lot of square footage on every floor.

[hendersonreed]

Have you been to Japan? Elevators are quite common, and in most of the buildings with multiple levels and restaurants on higher levels.

Elevators are smaller there. But I think the cost of building is lower there, for a variety of reasons, which makes this more feasible.