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| Chinese National Standard Category: Station interlocking |
| English Title: | Railway signal symbol |
| Chinese Title: | 铁路信号符号 |
| Standard No.: | TB/T 1122-2019 |
| Category No.: | S62 |
| Issued by: | NRA |
| Issued on: | 2019-07-22 |
| Implemented on: | 2020-2-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | TB/T 1122-1992 Graphical Symbols for Railway Signaling TB 1023-1992 Compilation Principle for Lettered Symbols of Railway Signaling |
| Word Count: | 20500 words |
| Similar Standards: | TB/T 1122-2019 TB/T 3516-2018 TB/T 2307-1992 TB/T 2119-1990 TB/T 1774-1986 |
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