# RTT Mapper

> Adds mapping functionality to RealtimeTrains.co.uk

Canonical page: [https://chrome-stats.com/d/rtt-mapper](https://chrome-stats.com/d/rtt-mapper)

## Overview

- **ID:** `rtt-mapper`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nhà Cái C54
- **Category:** other
- **Daily users:** 4
- **Weekly downloads:** 1
- **Rating:** 1.00 / 5 (1 ratings)
- **Version:** 0.6.0.0
- **Last updated:** 2025-06-01
- **First published:** 2025-05-29
- **Size:** 1.06 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/rtt-mapper/)

## Description

This extension adds OpenStreetMap based functionality to the Realtime Trains website (<a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/4b85a16a7ca99d28a923377d2d95469babd1d6e6587f108876ea4df5ca7ea2fc/http%3A//www.realtimetrains.co.uk/" rel="nofollow">http://www.realtimetrains.co.uk/</a>).

Features:
- Visualises the route taken by a train on a map
- (Part) cancelled routes are shown in grey
- The last known position of a train is displayed as a marker (if available)
- Route length can be seen by clicking the 'info' button in the bottom right corner of the map

New in version 0.6.0:
- Updated to Manifest v3
- Added display of public calls (circles) and non-public calls (triangles)
- Bit of data cleansing for some obscure routing points

Please note that this extension is not developed by the makers of Realtime Trains and is not affiliated with swlines ltd.

## Rankings

- #48,361 — Overall
- #131 — map
- #142 — google maps scraper
- #189 — maps

## Permissions and access

### Content script matches

- `www.realtimetrains.co.uk`
- `realtimetrains.co.uk`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/rtt-mapper)