3/11 Japan Earth Quake News#16 Train Status (March 14, 12:21)

Train companies have announced that there will be irregular operation, including out of service hours. 

Major out of services are: Tokaido Line (all day), Yokosuka Line (all day), Yokohama Line (all day), Odakyu will only operate between Kyodo to Shinjyuku (all day), Keio will only operate between Chofu and Shinjyuku (during morning and evening rush hours).

Summary here.

JR

JR - http://www.jreast.co.jp/

Metro

Tokyo Metro - http://www.tokyometro.jp/unkou/
English Traslation Post here

Toei

Toei Subway/Bus - http://www.kotsu.metro.tokyo.jp/subway/schedule/index.html

Odakyu

Odakyu - http://www.odakyu.jp/cgi-bin/user/emg/emergency_bbs.pl

KEIO

KEIO - http://www.keio.co.jp/news/update/announce/nr110313v01/index.html

Keikyu

Keikyu - http://www.keikyu.co.jp/company/news/2011/detail/003262.html

TOBU - http://www.tobu.co.jp/

KEISEI - http://www.keisei.co.jp/info/index.htm

Sorry that the information in these pages are in Japanese.

I ll try to translate it and upload soon