From April 9 to May 30,
an exhibition of Ôtomo's Genga (original drawings)
is held at 3331 Arts Chiyoda in Tokyo.
A replica of Kaneda's bike is also shown.
Official website (in Japanese only): top, news (blog) (including the videos of Kaneda's bike riding to Tokyo.)
A report with photos at CinemaToday
3331 Arts Chiyoda's English page for the exhibition
If you happen to be in Tokyo around that time, you may want to visit.
But you need to buy ticket in advance for specific date and time slot.
I don't know if this exhibition is planned to be held in other countries.
The exhibition's official book:
Katsuhiro Ôtomo's Artwork - KABA 2 (book)
Amazon.co.jp exclusive steelbook BD of Akira:
Akira Club (US):
