If you're looking for where to download or how to install this mod, I can guide you to some popular ETS2 mod forums like the SCS Software Forum or ProMods forums.
Disclaimer: As this is a third-party modification, it is not an official feature from the game developers (SCS Software). ISRAEL LEBANON OPEN BORDER V4.0 1.40
This specific V4.0 version is tailored for game version 1.40, which introduced significant lighting and graphical updates to the game. If you're looking for where to download or