Hello, Tokyo is like a maze of Train lines... It's sometimes hard to find which line to use and where to get off and such only on guide books or signs.

So, I'll introduce to you 2 websites where you can search train routes in English!

http://www.tokyo-subway.net/english/index.html

This site allows you to search routes within Tokyo and its neighbouring areas only by clicking on your mouse.

http://www.hyperdia.com/cgi-english/hyperWeb.cgi

You can search routes anywhere in Japan on this site, but you can't use if you misspell the station names.

FYI.