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Sensible Traffic Mod for 1.28 or earlier [OLD MOD - New version in description]

WARNING: OLD MOD


For v1.28 of ATS (pre-New Mexico patch).


Follow this link for the new version of this mod: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1127826231

Any other version can be found here: https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1907960769

This mod increases the amount of traffic encountered on the road.

It also lowers patience, and increases risk taking of AI drivers, making them merge lanes a little more speedily.

It also adds a time sensitive variance: Night times are quiet and lonely. Busiest times are the hours leading up to, and immediately after, 9am and 5pm

"Why did you create this mod? Aren't there enough traffic mods?"

I created this mod because I've tried other popular traffic mods and there was always something that didn't feel right, so I made my own mod. Some issues that made me create this were:

• One mod had good traffic amount, but made some cars too slow. Traffic then piles up too much because they create a rolling roadblock.
  
• One mod had good speed, but increased traffic flow too much. Overtaking someone became difficult because oncoming cars were extremely consistent - no gaps.
  
• One mod had good traffic amount, but not much variance. Lots of traffic even at night.

Etc, etc...

This mod is not meant to be 'realistic' but more sensible. Overtaking should still be possible, but traffic numbers aren't being bumped up into the thousands (only 70% more than the vanilla base value). It is simply supposed to be more traffic than vanilla, without impacting the gameplay too heavily.

P.S. This mod simply changes the maximum amount, and frequency at which traffic spawns - it does not change where it spawns. Some roads will always be empty because they are designed like that in the vanilla game - it is not this mod causing that. Eg. Las Vegas' smaller side streets are rather empty for some reason, but its main roads will always be populated. Some sections of the freeways will also be more populated in some areas of the map, even at midnight and later.

Feedback and ratings welcome!


Exact changes:

I have listed these here if you don't like this traffic mod and want to try and create your own:

From inside the def.scs file in the main game directory

traffic_data.sii

max_vehicle_count: 50 -> 85
70% more vehicles able to be present at any one time

Removed the 'mark out' before these parameters and changed:

ai_safety_modifier: 0.3 -> -0.15
AI will be less inclined to keep perfect spacing and will do manoeuvres quicker.

ai_patience_modifier: 0.0 -> -0.8
AI will be more eager to overtake slow drivers and will wait less for various actions such as flashing lights/honking/yielding.

ai_yield_max_speed: (18.0, 26.0) unchanged
ai_yield_wait_time: (20.0, 30.0) unchanged
ai_yield_timeout: (3.0, 5.0) unchanged

Also added time sensitive spawn rates to traffic_data.sii

(daytime, taffic spawn frequency modifier, max vehicle count modifier)

spawn_daytime_rates[]: (0.0000, 0.15, 0.15) // 00:00 o'clock
spawn_daytime_rates[]: (0.0417, 0.10, 0.08) // 01:00 o'clock
spawn_daytime_rates[]: (0.0833, 0.10, 0.08) // 02:00 o'clock
spawn_daytime_rates[]: (0.1250, 0.10, 0.08) // 03:00 o'clock
spawn_daytime_rates[]: (0.1667, 0.10, 0.10) // 04:00 o'clock
spawn_daytime_rates[]: (0.2083, 0.20, 0.20) // 05:00 o'clock
spawn_daytime_rates[]: (0.2500, 0.40, 0.40) // 06:00 o'clock
spawn_daytime_rates[]: (0.2917, 0.60, 1.00) // 07:00 o'clock
spawn_daytime_rates[]: (0.3333, 1.50, 1.45) // 08:00 o'clock
spawn_daytime_rates[]: (0.3750, 2.00, 1.85) // 09:00 o'clock
spawn_daytime_rates[]: (0.4167, 1.30, 1.00) // 10:00 o'clock
spawn_daytime_rates[]: (0.4583, 1.00, 0.70) // 11:00 o'clock
spawn_daytime_rates[]: (0.5000, 1.20, 0.90) // 12:00 o'clock
spawn_daytime_rates[]: (0.5417, 1.00, 0.80) // 13:00 o'clock
spawn_daytime_rates[]: (0.5833, 1.00, 1.00) // 14:00 o'clock
spawn_daytime_rates[]: (0.6250, 1.20, 1.00) // 15:00 o'clock
spawn_daytime_rates[]: (0.6667, 1.30, 1.00) // 16:00 o'clock
spawn_daytime_rates[]: (0.7083, 2.00, 1.85) // 17:00 o'clock
spawn_daytime_rates[]: (0.7500, 1.50, 1.45) // 18:00 o'clock
spawn_daytime_rates[]: (0.7917, 0.90, 1.00) // 19:00 o'clock
spawn_daytime_rates[]: (0.8333, 0.70, 0.80) // 20:00 o'clock
spawn_daytime_rates[]: (0.8750, 0.60, 0.60) // 21:00 o'clock
spawn_daytime_rates[]: (0.9167, 0.50, 0.40) // 22:00 o'clock
spawn_daytime_rates[]: (0.9583, 0.30, 0.30) // 23:00 o'clock
spawn_daytime_rates[]: (0.9999, 0.15, 0.15) // 00:00 o'clock

The above values were based on this explanation of how they work: https://forum.scssoft.com/viewtopic.php?f=111&t=188116&start=60#p421268

The variance ensures that early hours will see little traffic while the rush hours will see a noticable increase in vehicles encountered. Traffic jams are possible at 9am and 5pm. There are no default values for these settings as this variable is not found in any of the vanilla game setting files.


world/traffic_lane.sii

under traffic_lane_data : traffic_lane.road.local

spawn_count_limit_modifier: 0.3 -> 0.6


vehicle/traffic_vehicle_type.sii

traffic_vehicle_type : traffic.vehicle_type.car
unchanged, no max spawn count

under traffic_vehicle_type : traffic.vehicle_type.car_city
spawn_max_count: 9 -> 50

under traffic_vehicle_type : traffic.vehicle_type.truck_city
spawn_max_count: 2 -> 5

under traffic_vehicle_type : traffic.vehicle_type.police
spawn_max_count: 2 -> 1
(reduced because larger amount of cars present on the road will ensure police presence)

under traffic_vehicle_type : traffic.vehicle_type.truck
spawn_max_count: 8 -> 11

under traffic_vehicle_type : traffic.vehicle_type.bus
spawn_max_count: 2 -> 5