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Controlling the Highway Flow

By default, Euro Truck Simulator 2 (ETS2) dedicated servers include a moderate level of computer-controlled traffic to simulate a living world. Depending on your community’s specific objectives, you may wish to increase this density for a realistic “rush hour” challenge or decrease it entirely to facilitate smoother, high-speed convoy maneuvers. The FREAKHOSTING Game Panel allows you to precisely calibrate this environment to suit your tactical requirements.

Difficulty

Beginner

Time

4 Minutes

Modifying Global Traffic Levels

The volume of AI traffic is governed by the g_traffic variable. This parameter must be modified within your core server configuration file.
1

Access the File Manager

Log in to your Game Panel and select your ETS2 server.
2

Locate server_config.sii

Find and open the server_config.sii file situated in your server’s root configuration directory.
3

Update the Variable

Locate the g_traffic entry and adjust the numeric value:
  • 0: Disables all AI traffic, resulting in completely empty roads.
  • 1.0: Standard realistic density (Balanced experience).
  • 5.0 or higher: High-intensity traffic (Frequent congestion and intersections).
4

Initialize Changes

Save the file and Restart your server via the console to apply the new traffic logic.

Performance & Synchronization

Calibrating traffic is a balance between environmental realism and network stability.
AI vehicles are synchronized entities that must be calculated by the server and broadcast to every connected client. Setting g_traffic higher than 3.0 significantly increases the synchronization load on the server’s CPU.

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Last Updated: January 2026 | ETS2: Traffic density calibrated.