Line Names and their abbreviations

I am a newbee and trying to decipher all the abbreviations used instead of the road names. Where can I find a comprehensive list for my library? This question has probably been asked a million times, but have been unable to find an answer.

They are called reporting marks… here is one place you can find them

http://en.wikipedia.org/wiki/List_of_AAR_reporting_marks:_W