X4: Foundations Mass Traffic Part 2: Terminology

The words, Doc! What do they mean?! As promised in the previous post I’m here today to teach you some words! Well, you’ll know most of the words already. But I’ll tell you what exactly I mean when I use them in the upcoming articles about X4’s mass traffic system. Waypoint Waypoints are usually defined in an object’s asset. The properties mass traffic cares about are their positions, tags, and links to other waypoints. ...

August 17, 2026

X4: Foundations Mass Traffic Part 1: The Big Picture

Your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! Mass Traffic is a system in recent X games that generates paths and makes vehicles fly along them. It mostly runs on a dedicated thread, minimising the performance impact on the game. Your browser doesn't support embedded videos, but don't worry, you can download it and watch it with your favorite video player! It’s mainly made for adding decorative, atmospheric civilian traffic around stations. The most important functional uses are transport drones for cargo transfers and welding drones for constructing, dismantling and repairing. ...

August 17, 2026

Introduction

Hello there! Matthias here. I’m not going to bloat this post with much redundant information. If you don’t know who I am but want to, check the About page. I also have a page with my stance on “AI” - meaning the generative stochastic models that have taken over that term in the past few years. There’s also a page of Links. Just a collection of stuff I think is neat. For my first series of posts I’m going to talk about mass traffic, how it’s implemented in X4, what the system’s strengths and capabilities are, but also its current limitations. Stay tuned!

August 7, 2026