VISSTA BUSS HI & JUMBUSS 360 FOR 1.36 V3.0 BUS
It is a standalone bus mod for ETS2, tested on v 1.36, it has own interior, skins, sound.
How to install ETS2 mods or ATS Mods
In Euro Truck Simulator 2 modifications are easy to mount. Just download mod from here, copy / unzip files to the folder “My Documents\Euro Truck Simulator 2\mod” or, if you are playing ATS, add mods to the folder “My Documents\American Truck Simulator\mod” You can use: WinRAR or 7zip to unzip the files. You need to turn on the mods you want to use after that.