Ty2 is too old to have modern brake pipe controls/protection. You maybe overfill the brake pipe and caused carriages behind to lock. Either...
The reason why Simrail/Simkol release extensions and forming a larger map because this is how simulator industry works. They constantly expend...
I think most of you dont know that the dev team behind Simrail, is Simkol. Which is the second largest simulator contractor in Polish Railway...
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