---
id: "ru_train_number"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["transport"]
country: ["RU"]
langs: ["ru"]
quality: 66
url: "https://registry.apicrafter.io/datatype/ru_train_number"
---

# Russian passenger train number (`ru_train_number`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Number of a long-distance passenger train of Russian Railways as tickets and booking systems write it, three digits and a Cyrillic letter. The digits give the category of the train, for example 1-150 for year-round fast trains and 701-750 for high-speed trains. Trains to the north and east have even numbers, trains to the south and west have odd ones, and a train takes the paired number on the way back. The letter makes the number unique and relates to the railway of departure or arrival.

- Personal data (PII): no
- Categories: Transportation (transport)
- Countries: Russian Federation (RU)
- Languages: Russian (ru)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{3}[А-ЯЁ]$
```

## Examples

- `109Ж` — Train of the Privolzhskaya railway
- `109` (invalid example) — The letter is missing

## Translations

- ru: Номер пассажирского поезда: Номер поезда дальнего следования РЖД в билетах и системах бронирования — три цифры и буква кириллицы.

## Sources

- other: <https://t-j.ru/bukvi-v-nomere-poezda/>

## Quality

Score 66/100. Missing: second example, authoritative source link, mapping (Wikidata, Schema.org, ...), detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/ru_train_number.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/RU/transport/ru_train_number.yaml>