What gauge are Irish railways?

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Tags

1. #although
2. #northern
3. #longer
4. #considered
5. #irish
6. #between
7. #brazilian
8. #railway
9. #current
10. #gauge
11. #times
12. #swiss
13. #network
14. #converted
15. #metre
16. #almost
17. #broad
18. #standard
19. #total