What is moving block system?

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Tags

1. #thereby
2. #block
3. #while
4. #safety
5. #required
6. #increasing
7. #around
8. #closer
9. #zones
10. #blocks
11. #maintaining
12. #margins
13. #trains
14. #system
15. #capacity
16. #allows
17. #signalling
18. #defined
19. #computers
20. #overall
21. #where
22. #railway
23. #train
24. #together
25. #moving