Note: You can download the extension for free using Pay-As-You-Go credit system. It imports data from OpenStreeMap and transforms it into a usable site reference model suitable for rendering or exporting into other applications. PlaceMaker enables you to add instant context to your models. You can import everything to get your project started with rich context and detail. It will save you hours, if not days, of work and create instant cities from across the world.
PlaceMaker for SketchUp is an add-in that allows you to import site context into SketchUp model: high resolution aerials, 3D buildings, parametric 3D roads and walks, water bodies and trees.