Suicidator City Generator - Suicidator City Generator (SCG) is a Blender3D script.
Civil 3D - Civil 3D supports BIM for civil engineering design and documentation for rail, roads, land development, airports, water and wastewater, and civil structures.
Modelur - Save time and make well-informed decisions during early stages of urban design.
OpenRoads Designer - A detailed design application for roadway, surveying, drainage, and subsurface utilities that supersede capabilities previously delivered by InRoads and GEOPAK
Blended Cities - Blended Cities is an open-source city generator for Blender.
Site3D - Site3D is a fully featured software product for the engineering design of road systems, roundabouts, residential developments and earthworks.