130N: Anch-Fair Frt
130S: Fair-Anch Frt
110N: Sewd-Anch Frt
110S: Anch-Sewd Frt
120N: Whit-Anch Frt ARMS Barge
120S: Anch-Whit Frt ARMS Barge
125N: Whit-Anch Frt CN Barge
125S: Anch-Whit Frt CN Barge
150W: QAP Gravel
155W: AS&G Gravel
181S: Anch-Sewd Ld Coal
181N: Sewd-Anch MT Coal
183N: Anch-Usibelli MT Coal
183S: Usibelli-Anch Ld Coal
188W: Fair Coal Turn
192N: Military North
192S: Military South
210W: Coastal Classic
225W: Glacier Discovery
230N: Denali Star North
230S: Denali Star South
231N: DEX North
231S: DEX South
227W: MEX
241N: HEX North
241S: Hex South
215W: Holland Cruise Train
216W: RCT Cruise Train
226W: Norwegian Cruise Train
229W: Silver Seas Cruise Train
273W: State Fair Trains
290W: Charter Trains
591W: Company Work Train

This covers all of the frequently used symbols. If there is a W in the symbol that signifies a turn. Meaning the train returns to the same station at the end of the day.