https://github.com/djj123dj/factorio-train-speed-limits

A factorio mod for configuring train speed limits in signal blocks.
https://github.com/djj123dj/factorio-train-speed-limits

factorio factorio-mod mod speed-limit trains

Last synced: about 1 month ago
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A factorio mod for configuring train speed limits in signal blocks.

• Host: GitHub
• URL: https://github.com/djj123dj/factorio-train-speed-limits
• Owner: DJj123dj
• Created: 2025-08-02T16:48:59.000Z (2 months ago)
• Default Branch: main
• Last Pushed: 2025-08-02T16:57:18.000Z (2 months ago)
• Last Synced: 2025-08-30T01:50:22.635Z (about 1 month ago)
• Topics: factorio, factorio-mod, mod, speed-limit, trains
• Language: Lua
• Homepage: https://mods.factorio.com/mod/train-speed-limits
• Size: 14.8 MB
• Stars: 1
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          


# Train Speed Limits

The **Train Speed Limits** mod lets you assign a maximum speed (in km/h) to **train signals**, ensuring player safety around intersections and train stations.

### 🛠️ Features

- ✅ **Direct Integration:**  

It can be directly integrated into any existing world without problems. This is the same for removing the mod.

- 🚦 **Signal-Based Limits:**  

Speed limits need to be configured in a train signal. When a train drives past it, it will be limited to the configured speed.

- ⏩ **Continuous Limits:**  

Trains will maintain their speed limit until it drives past another applied signal with a speed limit or cleared with 'Unrestricted'.

- 📉 **Train Braking:**  

The train will start to brake after the locomotive drove past the speed limit signal. Braking is gradual like the unmodded game.

- 🔄 **Copy/Paste Compatible:**  

Use `Shift + Right-click` and `Shift + Left-click` to copy-paste speed settings between signals (just like vanilla).

- 🤖 **Automatic Only:**  

Only trains with drive mode `Automatic` are affected by speed limits. Manually controlled trains will ignore these limits.

### ❓ How It Works

1. Place a **rail signal**.

2. Click on the signal and open the GUI.

3. Set a **speed limit (in km/h)** and **apply it** via the checkbox.

4. Any train passing that signal while on **automatic mode** will adjust its speed.

5. The limit persists across blocks until overwritten or unrestricted.

### 😎 Use Cases

You might be wondering, why do I need to slow down trains? Well, how many times have you been hit by a train? Probably a lot of times if you've played Factorio a lot. 😄

Most of these "accidents" happen close to intersections, train stations and mining outposts. They are the perfect places for a speed limit!

### ⚠️ Compatibility & Known Limitations

- Works with vanilla and has been tested with the most popular mods.

- Mods which affect train speed behaviour (including "fast trains") could experience small issues.

- Initial spawn/movement may ignore speed limits until reaching the first signal with a speed limit.

- Try to limit placing signals with speed limits in corners/turns and close to intersections. This should normally work but there are certain cases the train doesn't detect the signal.

### 🚧 Contributions

Developed by **DJj123dj**

Contributions, suggestions and pull requests are always welcome!