The mod is typically distributed in comprehensive packs (often by creators like ) that include various lengths and engine configurations: OMSI 2 - Solaris Urbino IV Pack Trailer The Solaris Urbino IV pack trailer for OMSI 2 is here.
If you are looking for a "paper" on how to configure these buses, the Solaris Urbino PL Mega Pack Config Guide on Studocu is the most detailed "paper" available, covering dashboard options, sound systems, and setvar configurations used across most Solaris mods. Citybus Series Urbino omsi 2 solaris urbino iv upd download repack
Since the original developers became less active, community members released "hotfix repacks" that patch remaining issues like V1.4 bus file conflicts and sound distortion in the 18m bendy-bus. The mod is typically distributed in comprehensive packs
Solaris Urbino IV (various mod releases, often labeled UPD) Developer: Officially Solaris (Brand), Modded by various community members (e.g., Piotrek S, Manli, D3D9) Type: Bus Add-on / Modification Solaris Urbino IV (various mod releases, often labeled