Elias saved the session. He took a breath, clicked the "Driver" icon, and launched the simulation.

After spending hundreds of hours testing, here are three verified mods that work perfectly out of the box (no missing kuids):

Offers verified freeware routes specifically compatible with TS12, such as the Reading & Northern NS Austell GA Wye Recommended Verified Routes & Mods

Avoid random MediaFire links on forums. Stick to these trusted repositories: