The conversation between human and AI assistant.
[|Human|] From the passage provided, extract the freight train companies using the corridor.  Place them in a bullet list.
[|AI|] - CSX
- Norfolk Southern
- CSAO
- Providence and Worcester
- New York and Atlantic
- Canadian Pacific
[|Human|] 
From the passage provided, extract the freight train companies using the corridor.  Place them in a bullet list.