!!! Modifiers are not applied, just activated !!! (Array,Mirror,Smooth,Weighted normal)Blender version 4.1. Pay attention on new options of shade smooth.
The model is made as real as possible. There is a transport in the photo, its dimensions are natural.No Traffic included !!3d model icludes different sections of highway, bridge, turns, lower freeway roads, Road Lights, signs, cameras, traffic barrels. You can easily combine them to make your own roads. No triangulation. Just add modifier triangulate in object mode select all faces in edit model and press Ctrl + T.Road cover, Have UV and testures(Asphalt) Road Base form, columns have UV and textures (concrete) Signs have UV and texture.Everything else base BSDF materials. To low down tris and verts, turn off cameras collection or traffic barrels. It up to you. Good luck.