Real Traffic Density and Ratio v1.6 by Cip

V update auf 1.40a mod for American Truck Simulator

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– added necessary files for doubles/triples/heavy trailer in traffic addon
– adjustments of traffic ratio: more trucks on motorways in evening and nightime
– corrected frequency and count numbers to more realistic values allowing correct ratio cars/trucks/buses
– added spawn_distance_forward parameters, allowing traffic to spawn at further distance
– Most of Ai vehicles will turn on lights on bad weather
– Trucks will always haul a trailer
– limited slow vehicles only 4 hours in the morning and 4 hours in the evening

Cipinho, Alin Todor


Modell: Cipinho, Alin Todor
Textur: Cipinho, Alin Todor
Script: Cipinho, Alin Todor
Idee / Konzept: Cipinho, Alin Todor
Tester: Cipinho, Alin Todor
Sonstige: Cipinho, Alin Todor


  • 10 Feb 02:34
    Version update auf 1.40a


    warning! use with caution, any game update may break the mod and I will not notice this since I no longer update my SCS games for personal reasons (updates for my mods are possible thanks to trustful people sending to me the game files after updates)

    for info the Steam update will come only when 1.40 update turns public

    P.S. My mods are and will always be for free, however if you appreciate my efforts and want to offer me a beer, I thank you in advance! here is my paypal account:


  • 17 Nov 13:58
    Version update auf 1.39c


    changelog v.1.39.c
    -adaptation to latest ATS 1.39 and Colorado


  • 29 Oct 00:47
    Version update auf 1.39a


    changelog v.1.39.a
    -adaptation to ATS 1.39
    -removed slow vehicles from Special transport
    -added separate spawn number for divided roads vs freeways
    -decreased spawn numbers at night time in cities
    -tweaked overall spawn numbers

    this mod has been also tested in 1.38 if you did not update yet to 1.39 and want to take advantage on the updates that are not necessarily for 1.39

  • 16 Jul 01:53
    Version update auf 1.38b


    Real Traffic Density and Ratio - mod was designed to create a realistic traffic density taking advantages from the latest traffic system implemented by SCS in game version 1.37.

    Features mod Real Traffic Density and Ratio:
    - it was designed to create a realistic traffic density taking advantages from the latest traffic system implemented by SCS starting in game version 1.29
    - with this mod, ATS receives a personalized density and ratio set at default g_traffic 1. it takes into account all game features from 1.29: spawn and ratio by daytime, type of roads, city size, density and ratio being set according to the game time scale
    - thanks to SCS I was now able to set for example more cars and buses in cities and more trucks on freeways, or more cars at rush hours
    - the semaphore profile contain two little modifications, allowing more green time at road works semaphores and globally 3 seconds on yellow instead of 2 (from green to red)
    - since traffic is much more dense, more car colors were needed to avoid having the same few SCS colors.

    Changelog v1.38.B:
    – adaptation for ATS 1.38
    - corrected train str_params error
    - reduced spawn of the slow vehicles to minimum

    Composition and how to use:
    - includes personalized sounds for all cars, SUVs, trucks and buses of the ATS default vehicles.
    - for best experience use my mod in combination with Sound Fixes pack with my mods having higher priority in the load order.
    - the default volume is quite low, if you don’t use Sound fixes pack and want louder traffic sound, it is recommended to place this tiny mod and activate it with high priority in your mod load order. Do not use this if you have Sound fixes pack!
    - some vehicles received a more realistic max speed_limit and torque
    - most of the Ai cars and SUVs have personalized colors taken from the website
    - for every game version use the right mod version otherwise game will crash due to changes in Ai vehicles !!!

    Tested on game version 1.38.x

  • 07 Jul 23:18
    Version update auf 1.38a


    changelog v1.38.a

    – adaptation for ATS 1.38
    – few tweaks on the semaphores green duration

  • 13 Jun 23:05
    Version update auf 1.37d


    changelog v1.37.d
    -improved semaphores cycles
    you are safe to remove now any mod you may have for increased semaphores duration because this is now integrated in my mod and in a better way. large base semaphores have now 25 seconds of green while small base semaphores (1x1 roads) have a shorter cycle with green at 16 seconds. the semaphores integrating a left turn with additional light have been also changed with 20 seconds of green for straight direction and 10 seconds of green for left direction.

  • 06 Jun 00:48
    Version update auf 1.37c


    changelog v1.37.c

    -reduced density on merging into motorways, exits and weigh stations
    there should be much less queuing traffic in these areas.

    if your game crashes at loading this means you have been doing it all wrong this time and had always another mod which changed silently the traffic density in your game.

    my traffic mod is a tiny mod changing strictly only density related files and should be always at the very top of your mod list. it will not interfere with any other mod and your game receive the correct density.


  • 22 Apr 22:57
    Version update auf 1.37a

    [ATS] Real Traffic Density by Cip [1.37]

    changelog v1.37.a
    -adaptation for ATS 1.37
    -removed sound settings which are now controlled in FMOD
    -minor tweaks at traffic_lane level

  • 12 Nov 22:09
    Version 1.36c

    [ATS] Real Traffic Density v1.36c by Cip

    changelog v.1.36.c
    - limited slow vehicles to minimum and only few hours/day
    - tweaked some rules to reduce accidents that seems to happen more in 1.36
    with this version uploaded on Steam yesterday, following very positive feedback there, I upload here as well the last version of my Real Traffic Density. not traffic is perfect and everything seems fine on the roads, no more crazy speeds and accidents form version 1.36.c
    Author cip

  • 09 Nov 02:11
    Version 1.36b

    [ATS] Real Traffic Density v1.36b by Cip

    changelog v.1.36.b
    -significantly increase of traffic on freeways and large cities at daytime with no additional FPS loss
    -slightly increased spawn of classic cars (if used through my sound packs as separate type of vehicles)
    Dx11 is a significant game improvement. large traffic is much easily supported by the game now than in Dx9. it’s time for a truly Real traffic density on large cities and freeways with absolutely no FPS drop (tested on average PC with most of setting at maximum and scaling 400%)


  • 16 Oct 23:13
    Version 1.36a

    Real Traffic Density v1.36.a by Cip for 1.36 Beta

    changelog v1.36.a:

    adaptation for ATS v1.36 beta


  • 25 Jun 03:08
    Version 1.35e

    [ATS] Real Traffic Density and Ratio 1.35.e

    Changelog v1.35.e:

    -reduced slow vehicles to minimum on normal roads
    -increased slow on forest/farm roads
    -reduced overall max_count for Ai vehicles (density not affected)

    this update is to make better use of the slow vehicles, there should be seen very rarely now on the roads, and more on those country roads not open for traffic . the max_count reduction could help with keeping relatively low traffic count and therefore lower amount of data in RAM. Ai density is not affected

  • 15 Jun 12:46
    Version 1.35c

    [ATS] Real Traffic Density and Ratio 1.35c

    changelog v1.35.c
    -update for public 1.35
    -banned slow vehicles from freeways
    -increased safety factor to reduce Ai accidents


  • 20 Apr 21:42
    Version 1.34b

    [ATS] Real Traffic Density and Ratio 1.34.b

    changelog v1.34.b
    -added a few rules to increase safety
    -added sound tweaks; this updates is rather relevant for fans of my Real Ai traffic engine sounds


  • 11 Mar 23:02
    Version 1.34a

    Real Traffic Density and Ratio 1.34.a

    I might have forgotten to upload the updated version of my Real Traffic Density mod so here it is: v1.34.a updated for ATS 1.34


  • 16 Dec 01:40
    Version 1.33.a

    [ATS] Real Traffic Density and Ratio 1.33.a

    changelog v1.33.a
    -adaptation to 1.33 game version
    -fixed lights issue generating fines during the day
    -fixed possible entrance of Ai to companies and private properties
    -Ai vehicles have now only real colors
    -reduced number of trucks in cities
    -some other tweaks of classic & sport cars and for doubles
    -support for Mr Larrington’s multiples trailers, my mod has higher priority

    remember you always need to be at g_traffic 1 in game console or config file.
    do not forget that you can make jazzycat motorcycles, sport and classic cars as separate types of vehicles, my mods has already integrated the traffic files for them. all you need to do is a little rename of one sii file in each traffic pack.
    this modification will increase overall the balance of cars vs trucks


  • 22 Sep 22:51
    Version 1.32b

    [ATS] Real Traffic Density and Ratio by Cip 1.32.b

    changelog 1.32.b
    slightly adjusted traffic density
    – removed separate deceleration values which seem to cause more accidents at crossroads
    – added support for new types of vehicles: motorcycles, classic and sport cars (no effect if you don’t use these mods). in order to use these vehicles as separate types of vehicles you need to open each pack and rename the sii file from def/vehicle folder by replacing the word car with classic, or sport or moto, according with the type of vehicles from that pack (example: traffic_storage_car.jazzycat_classic.sii will become traffic_storage_classic.jazzycat_classic.sii)
    – increased speed limits for sport cars and motorcycles (only if used as separate types of vehicles)


  • 06 Sep 00:35
    Version update auf 1.32.x

    ATS Real Traffic Density and Ratio 1.32

    changelog v1.32.a:
    – adaptation to 1.32 beta
    – few Ai trucks will drive without a trailer
    – harvester will no longer spawn on main roads, only on default no_vehicles roads
    – added different deceleration values for each type of vehicles (by Alin Todor)


  • 21 Mar 19:42
    Version 1.6


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21.03 2018
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