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To force the speed limiter for every player on a FREAKHOSTING American Truck Simulator server, stop the server, set force_speed_limiter: true in server_config.sii (in Files > .local > share > American Truck Simulator) and start it again. The default is false. Police and traffic fines are not a server setting: each player turns them on or off with Traffic Offense in their own game’s gameplay settings.

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How to force the speed limiter on your server

1

Stop the server

Stop the server.
2

Open server_config.sii

Open Files, go to .local > share > American Truck Simulator and click server_config.sii.
3

Change the line

Find force_speed_limiter and set it to true:
4

Save and start

Save the file and start the server. The setting stays after restarts.
To let players choose again, set it back to false and restart.

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How do police and fines work in ATS?

Fines are part of each player’s own game. You get a fine when a speed camera or a police car catches an offence, and a police car roughly doubles several fines. Since update 1.37, the speeding fine depends on how far over the limit you were, so the amounts above are a guide.

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How to turn fines off in your own game

Open the game’s options, go to the gameplay settings and untick Traffic Offense. This changes only your game; every player decides for themselves.

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Frequently asked questions

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Does force_speed_limiter set a speed?

SCS describes it only as a flag that forces the speed limiter on. There is no key for a custom speed in server_config.sii.

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Can I turn off police for everyone on my server?

No. There is no server key for fines or police. Each player uses Traffic Offense in their own settings.

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How do I change AI traffic on my server?

AI traffic has its own keys: traffic turns it on or off, and the max_ai_vehicles_* keys limit it. See server_config.sii explained.

ATS server guide

Every ATS page in one place.

server_config.sii explained

Every setting and its limit.

Moderators and commands

/set_time and /set_rain_factor.

Convoy server explained

How the dedicated server works.
Checked against the official SCS dedicated server documentation and the Truck Simulator Wiki fines page on 30 October 2026; panel steps tested on our Game Panel (American Truck Simulator dedicated server 1.61s). Fines may change with game updates.

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Last Updated: October 2026