It includes multiple road profiles based on real-world German standards (RQ9.5, RQ10.5, etc.), allowing map creators to build everything from narrow residential streets to wide arterial roads.

Some versions of the pack, such as the SimpleStreets+ expansion, include specialized infrastructure like railway sidings, contact network supports for trams, and various road tunnel types.

Installing the addon is straightforward but requires attention to folder structures: Omsi 2 Addon Simple Streets ((new))

Missing road segments often cause the game world to fail to load, leaving your bus floating in a void.

When loading a map, OMSI 2 will throw errors specifically citing missing files in the Splines\ADDON_SimpleStreets\ directory. Installation Guide

If you are a player rather than a developer, you will likely encounter Simple Streets as a when installing a new map. If a map author uses these splines and you do not have the addon installed, you will experience the following issues:

For map builders, the "simple" in the name refers to the user-friendly interface for snapping segments together, ensuring realistic road networks with minimal effort. Why is it Necessary?

One of its strongest selling points is the collection of pre-configured junctions and intersections that automatically align with the included splines, saving developers hours of manual adjustment.