Adjusted pollution mechanics so that congested roads begin emitting pollution at 80% usage rather than 100%. :
Patch 1.4.0b · Citystate II update for 25 June 2022 - SteamDB FГЎjl: Citystate.II.v1.4.1b.zip ...
Update 1.4.1 - Leisure buildings, Wind turbine, Bug fixes - Steam 5 new buildings and a long list of bug fixes. Adjusted pollution mechanics so that congested roads begin