In this movie, you use the geometry you have already created to extract the intersections for the inner roads. You also add materials to the existing material definition and clean up the connections between existing and new roads.

Creating City Blocks - Part 08

The official learning channel for Autodesk® 3ds Max® software, a comprehensive 3D modeling, animation, rendering, and compositing solution for games, film, and motion graphics artists. The Autodesk® 3ds Max® Learning Channel provides tutorials of all levels to help you learn Autodesk® 3ds Max®.