Originally Posted by
hailstorm
Thanks to the concentrated efforts of JR, the answer is rapidly becoming "both", at least inside train stations. Never thought that rushing Japanese would stand for it (heh!), but now more often than not the escalators are packed with standers on both sides.
Or is this just a metro Tokyo phenomena?
I rarely see this in Tokyo, especially during rush hours -- people continue to stand on the left. OTOH, I see plenty of posters urging people to stand on the escalators. However, like no smoking and no bicycle parking signs, I expect these to go totally unheeded.