A set of the most common road signs in Russia.
Materials of 4 types (clean dirty wet with streaks snow-covered)

Suitable for traffic light set:
https://3dsky.org/3dmodels/show/ave_traffic_lights_set_animated 

The archive includes
3dsMax 2021 Corona Scene
OBJ file
Corona Material Files and Materials with Unique Names

ATTENTION!!!
Corona version 12