BeamNG.drive no longer allows rolling back to v0.11 via Steam branches (the earliest available is v0.12). However, you can still see its influence:

: This update debuted the massive West Coast USA level, modeled after San Francisco. It introduced complex city layouts, a race track, and detailed highway systems.

The BeamNG Drive v0.11 update is a significant release that brings a wide range of new features, improvements, and bug fixes to the game. Some of the most notable additions include: