# GB Traffic Commissioner Bus Registration Change Signals (`starshaped_bullsnake/gb-traffic-commissioner-bus-registration-change-signals`) Actor

Track changes recorded in the Traffic Commissioner registration dataset.

- **URL**: https://apify.com/starshaped\_bullsnake/gb-traffic-commissioner-bus-registration-change-signals.md
- **Developed by:** [Starshape Tools](https://apify.com/starshaped_bullsnake) (community)
- **Categories:** Other
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $5.00 / 1,000 bus registration change signals

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.

Learn more: https://docs.apify.com/actors/running/actors-in-store.md#pay-per-event

## What's an Apify Actor?

An Actor is a serverless cloud program that runs on the Apify platform. It has two run modes.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.

Apify vocabulary and the platform model are defined once, in the agent quickstart at https://apify.com/agents.md.

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.

Do not guess an integration path. Every one of them is in the agent quickstart at https://apify.com/agents.md: the Apify MCP server, Agent Skills with the Apify CLI, the JavaScript and Python clients, the REST API, and the account-free path for an agent with no human to sign in. It also carries the rule on stating cost before the first paid run.

For examples already wired to this Actor's own input schema, see the [API](#api) section below.

Each client library has reference documentation the quickstart does not restate: [JavaScript/TypeScript](https://docs.apify.com/api/client/js/docs.md) (`npm install apify-client`) and [Python](https://docs.apify.com/api/client/python/docs.md) (`pip install apify-client`).

# README

## GB Traffic Commissioner Bus Registration Change Signals

Tracks **changes recorded in the Traffic Commissioner registration dataset**: new services, variations, cancellations, and meaningful route/timetable metadata changes. It is for transport planners, operators, suppliers, and public-sector intelligence teams.

The official [Traffic Commissioners / DVSA dataset](https://www.data.gov.uk/dataset/9ea90ed8-de54-4274-92c6-272edd518bfb/traffic-commissioners-local-bus-service-registration) covers Great Britain registrations recorded in the Vehicle Operator Licensing database and is normally updated weekly on Sunday. It is not complete UK bus coverage and does not include Northern Ireland. The catalogue licence is **Creative Commons Attribution** (not OGL): commercial reuse, persistent storage, adaptations, and redistribution are allowed with appropriate credit and licence/source notice. Attribution: Traffic Commissioners for Great Britain / DVSA local bus service registration data, licensed under Creative Commons Attribution; output is transformed.

Current-service state uses `Reg_No`; variation history uses `Reg_No + Variation Number`. These models are stored separately. Supported signals: `NEW_SERVICE_REGISTERED`, `SERVICE_VARIATION_REGISTERED`, `SERVICE_CANCELLED`, `ROUTE_CHANGED`, `TIMETABLE_CHANGED`, `EFFECTIVE_DATE_CHANGED`, `SHORT_NOTICE_VARIATION`, `START_POINT_CHANGED`, `FINISH_POINT_CHANGED`, `OPERATOR_CHANGED`, and `SERVICE_NUMBER_CHANGED`. Null transitions are suppressed.

On the first live run the Actor validates all 16 regional current/variation CSVs, emits zero signals, and atomically stores the full compressed baseline. Identical reruns emit zero. Regional collapse is checked independently. Filters and `maxItems` affect only Dataset output; failures before final commit preserve prior state. Example: `{"mode":"sample","maxItems":100}`. Sample mode avoids official fetch and production KVS and exercises the production normalize/diff/filter path.

Known limitations: data reflects operator submissions and basic registration metadata; it is not a timetable journey planner, real-time service feed, or compliance guarantee; duplicate current rows are collapsed to the highest numeric variation for each `Reg_No`.

# Actor input Schema

## `mode` (type: `string`):

Live official comparison or isolated sample.

## `signalTypes` (type: `array`):

Optional signal-type filter.

## `registrationNumbers` (type: `array`):

Optional official Reg\_No filter.

## `baselineOnly` (type: `boolean`):

Refresh the baseline without emitting signals.

## `maxItems` (type: `integer`):

Dataset output only; snapshot remains complete.

## Actor input object example

```json
{
  "mode": "live",
  "baselineOnly": false,
  "maxItems": 1000
}
```

# Actor output Schema

## `summary` (type: `string`):

No description

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {};

// Run the Actor and wait for it to finish
const run = await client.actor("starshaped_bullsnake/gb-traffic-commissioner-bus-registration-change-signals").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = {}

# Run the Actor and wait for it to finish
run = client.actor("starshaped_bullsnake/gb-traffic-commissioner-bus-registration-change-signals").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
for item in client.dataset(run.default_dataset_id).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{}' |
apify call starshaped_bullsnake/gb-traffic-commissioner-bus-registration-change-signals --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,starshaped_bullsnake/gb-traffic-commissioner-bus-registration-change-signals"
        }
    }
}
```

The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer <APIFY_API_TOKEN>` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations).

## OpenAPI specification

Download the OpenAPI definition: https://api.apify.com/v2/actors/jchj3aoXmaaUkDlbq/builds/AcxBdhjPNgpNFkjJz/openapi.json