Imagine Politeness Posters on BART ("Vintage" Tokyo Subway Posters circa 1970's - 1980's)

These posters from the Tokyo subway are humerous and perhaps would raise an eyebrow these days.
http://pinktentacle.com/2010/08/vintage-tokyo-subway-manner-posters/

These are really cool! Thank
These are really cool! Thank you for posting!
very cool. there must be a
very cool. there must be a football field sized lost & found in the outskirts of tokyo with with worlds largest pile of umbrellas.
nearly half of these ads are to remind passengers not to forget their umbrellas.
They comment on the annoying
They comment on the annoying newspaper guys! Can we print up a bunch of these and plaster them on BART plz?
Knowing the way BART operates
Knowing the way BART operates that would probably cost $400,000.00 and require 10 union employees working overtime for 12 weeks to complete.