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> Moving slowly enough for whom to step off? The 90 year old lady with a walker? The toddler? Stephen Hawking in his wheelchair?

Why not? Don't they use moving floors on airports already? (Also, do toddlers walk alone on the busy streets?)

Here's a design I just sketched in Factorio for a belt system with 3 speed levels, and an entry/exit for moving onto the belt system, and then between speed levels.

https://imgur.com/c51pTnP

(For those who don't know Factorio - the blue belts are the fastest, the yellow ones are the slowest.)




Why not? Don't they use moving floors on airports already?

Yes, but they also have non-moving floors, and they also have -- in the US, at least -- a small fleet of carts, driven by airport staff, that can carry people who have difficulty walking.

Any moving-walkway mass-transit system would have to include accessible alternatives.




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