6.0 - Roadway Model - Corridors
Process Description:
A corridor model builds on and uses various AutoCAD Civil3D objects and data, including subassemblies, assemblies, alignments, surfaces, and profiles. The corridor object is created from a baseline (alignment) by placing 2D sections (assemblies) at incremental locations, and by creating catch slopes at each incremental location.

AutoCAD Civil 3D 2012 User's Guide reference:
User's Guide - Corridor Modeling - Corridors

For more information watch the video below:
  • Roadway Model (WMV)