Share Email Facebook Twitter LinkedIn Corridor Visualization and Analysis Topics in this section About Corridor Solids The Extract Corridor Solids command provides functionality that allows you to extract AutoCAD solids or bodies from Autodesk Civil 3D corridor model shapes and links. To Extract Corridor Solids To Render Corridor Models About Using Visibility Check Tools on Corridors You can use the following visibility check features to visually analyze corridor models. Parent topic: Corridors