v23.30

Fixed bug from the vanilla game where the Chevrolet Impala police car for Salt Lake City did not spawn. Sounds included. [ATS edition]
Engine sounds added to the Freightliner Sprinter Forest River Solera motorhome in AI traffic. [ATS edition]
Enhanced the locomotive engine sound for the MotivePower MPXpress MP36PH-3C. [ATS edition]
Updated horn sound for when close to the FrontRunner train in Utah. [ATS edition]
FrontRunner train in Utah will now no longer be required to use the horn at railroad crossings ('quiet zone' on its route). [ATS edition]
Minor improvement to the spatialization for the reworked default reverse beeper sound.
Minor sound balancing for a few AI traffic engine sounds. [ATS edition]
Removed some more noticeably repetitive distant ambient traffic sound loops (default sound effect). [ATS edition]
Removed the Special Transport DLC sound implementations that are non-operational in 1.47 but did work in 1.46. [ATS edition]

v23.29

Engine and horn sounds added to the 2015 Cadillac ATS (Alpha Touring Sedan) in AI traffic. [ATS edition]
Horn sounds added to the 2023 Chevrolet Silverado 3500 in AI traffic. [ATS edition]

v23.28

Engine and horn sounds added to the 2015 Chevrolet City Express in AI traffic. [ATS edition]
Engine sounds applied to the 2017 Ford F-350 glass transporter variant in AI traffic. [ATS edition]

v23.27

Added distant airplane sounds to the airplanes flying with contrails behind. [ATS edition]
Additional engine sound set added to the array for the Kenworth W900's in AI traffic. [ATS edition]

v23.25 to v23.26

Engine sounds added to the 2006 Hummer H2 in AI traffic. [ATS edition]
Compatibility update for game version 1.47.0.50.
Extended sound distance range of the player truck's tire/road noise on asphalt roads.

v23.24

Horn sound added to the 2006 Hummer H2 in AI traffic. [ATS edition]

v23.23

5 new sound effects added to the array for the hot air balloons.
Engine sounds added to the variant of the 2020 Chevrolet Silverado 3500HD without a truck bed in AI traffic. [ATS edition]
Minor sound adjustments to some AI traffic truck air brake sounds. [ATS edition]
Revised tire bump / suspension sound mix.

v23.19 to v23.22

New speed-based system for tire bump / suspension sounds. Sound effects will alter depending on how fast the truck is moving.
- In cases of mod conflicts, the suspension sounds will only use the low speed suspension sounds, like how it was in previous versions.

Minor pitch adjustment to high speed asphalt road noise and cleaned the sound file further.
Minor sound adjustments to some AI traffic truck engine sounds. [ATS edition]
Removed sound/world/prefab/debark_1.soundref. [ATS edition]
1 new ending sequence sound effect variant for after rotating the trailer brace to lower the trailer landing gear.
Engine sounds applied to the 2020 Western Star 49x in AI traffic. [ATS edition]
Engine sounds added to the 2022 Western Star 57x in AI traffic. [ATS edition]

v23.18.1

Compatibility update for the ATS 1.47 open beta. [ATS edition]

Feature loss: The Special Transport DLC sound feature appears to no longer work due to sounds not applying to escort vehicles in 1.47.

v23.18

New horn sound effects added to the array for the International LoneStar trucks in AI traffic. [ATS edition]