v22.38

New idle and air sounds for the EMD SD40-2 train locomotive, as well as sound volume adjustments. [ATS edition]
Slight reduction in sound volume for the biplane sound. [ATS edition]

v22.37

New train horn sounds for the EMD SD40-2 train locomotive approaching railroad crossings. [ATS edition]

v22.36 + v22.35

New idle sound for the 2016 Chevrolet Camaro in AI traffic. [ATS edition]

v22.34

New tire noise for the Mack RD truck in AI traffic. [ATS edition]

v22.33 + v22.32

New sound mix and sounds for Mack RD truck in AI traffic. [ATS edition]
Optimizations for sound files without quality loss. [ATS edition]

v22.25 to v22.31

Sacramento Gold Line light rail vehicle sound rework:
- finetuned bell sounds
- new railcar sounds
- new rail and wheel noise for the passenger cars. [ATS edition]

v22.17 to v22.25

General Signals Type 1 E-bell is now used in more states at railroad crossings in ATS to reflect reality better. [ATS edition]
General Signals Type 2 E-bell is now used in New Mexico to reflect reality better. [ATS edition]
Compatibility update for the New Mexico Railrunner Express train. [ATS edition]

Note for modders:
Soundref files have been created for country or state specific railroad crossing bells!
This will allow modders to pick and choose crossing bell sounds from other sound mods without editing critical definition files.
See sound_fixes_pack/world/railroad_crossings folder in the mod for the soundrefs that you can modify.

v22.16

Reworked some suspension / tire bump sounds.

v22.15

More quieter and realistic sound for the Sacramento light rail vehicle introduced in 1.44. [ATS edition]
Sacramento light rail vehicle drivers may now sound the bell when appropriate. [ATS edition]
Minor tweaks to the default hazard warning button sound.

v22.14.1

Compatibility update for ATS 1.44.0. [ATS edition]