How to render highways?

[AtelierCartographique]

Highways are downloaded as a mesh, but I cannot find a way to actually make each road segment into a volume to which I could apply a material to render. What is the proper workflow to render road networks downloaded within the GET OSM menu?
Thank you so much!

[atseewal]

Geometry nodes might be a good way to accomplish this. If you select your highways and enter the geometry nodes tab, you can build a node tree that will take the OSM road networks and allow you to texture them with a material. Getting some inspiration from this stack exchange post, here is the geometry node setup I came up with (I'm not a geometry nodes expert by any means):

1. Convert the road network mesh to curves
2. Convert the network curves back to mesh
   a. Use a Quadrilateral node set to rectangle to control the shape of the profile curve
   b. Adjust the Quadrilateral node size settings to make the roads wider and flatter
3. Use a Set Material node to set the material of the roads

The node tree:

The output of this setup:

[AtelierCartographique]

Thank you so much Atseewal, it works perfectly! :)