Research Article
A New Movement Authority Based on Vehicle-Centric Communication
Table 2
Symbol form/shape and descriptions.
| Symbol No. | Form/shape | Description |
| SW1 | | Switch in normal position | SW2 | | Switch in reverse position | SW3 | | Switch in reverse and normal position | SW4 | | Switch in normal and reverse position | TR1 | | Train without collision risk | TR2 | | Train with collision risk | TC1 | | Operation line | TC2 | | Empty line |
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