Rail Transport Abbreviations and Acronyms

1. OCR
   Ottawa Central Railway
2. OCRR
   Ottawa Central Railway
3. OCS
   Overhead Catenary System
4. OCS
   One Control Switch
5. OCTL
   Oil Creek and Titusville Lines, Inc.
6. OCTR
   Octoraro Railway Incorporated
7. OCU
   Operator's Control Unit
8. OCW
   Ocean City Western Railroad
9. OD
   Outside Diameter
10. ODOT
    Oregon Department of Transportation
11. ODT
    One Day Travelcard
12. OE
    Operating Expenditure
13. OE
    Outside Edge
14. OE
    Oregon Electric Railway Company
15. OEL
    Occupational Exposure Limit
16. OETR
    Outline Engineering Train Requirements
17. OGEE
    Ogeechee Railway
18. OHCR
    Ohio Central Railroad
19. OHIC
    Ohi-Rail Corporation
20. OHK
    Kruse Grain

Last updated: May 24, 2020 — Total entries: 4,035