Street Panel
The Street panel appears in the MaStro sidebar tab when the active object is a Street object. It is only active in Edit Mode with Edge Select mode enabled.
Select one or more edges and use the Street Type dropdown to assign a type from the project list (defined in the Properties editor). The street type carries the width and corner radius that Geometry Nodes uses to generate the road surface.
Tip
Street geometry is generated per-edge. You can mix different street types in the same Street object — for example, a main road branching into residential streets — by selecting the relevant edges and assigning the appropriate type.