NS Lehigh line questions

[rr503]

I was reading through an old train list for the Lehigh line ca. 2001, and saw a ton of symbols I didn't recognize. They were:
108
18T
19T
20A
21A
21R
22Z
23G
24Q
25Q
30G
31G
What happened to these trains? Re-symboled?
Sorry for the massive list, and thanks in advance!

[CNJ Fan 4evr]

I don't know symbols but I can tell you this much, merchandise freight has really dropped off since 2001. I look back at my old videos and can't believe what used to run through here.

[simonbr]

Take a look at this Train Orders thread: http://www.trainorders.com/discussion/read.php?2,346336, it has most of the symbols you listed.he symbols you listed.