Corridor EZ for Civil 3D is a plugin for Autodesk Civil 3D that uses a Project Assist (A proven AI system in production since 2021) to automate an initial design of a road network. You fine tune the design with visual interactive tools and then generate your Civil 3D surfaces, feature lines, profiles and corridors. Invest 20 minutes of your time by watching the videos. They provide a detailed examples of how you configure Corridor EZ to your standards and how it easily integrates with your Civil 3D workflows.

Getting Started With Your Drawing

You have your own drawing with your own settings and setup. See how Corridor EZ provides a fast, one-time setup to use the styles and settings from your drawing. Deliver the output presentation you expect, with Corridor EZ fast tracking the design and creation for you.

Time – 1.28 minutes


The Corridor EZ Toolspace is intuitive and simple to use, providing a one-stop-shop for you to create, edit and manage all your design objects. Select any object, or object collection, and right click to obtain a contextual menu of commands available for that object. No more hunting through menus or ribbons to get to the command or object you want!

Time – 2.47 minutes


Corridor EZ Templates simplify Assemblies by using a spreadsheet-like manager to define your road, curb, sidewalks and other elements. When you re design is complete and you are ready to create a corridor, Corridor EZ will automatically create assemblies using your template and design section geometry.

Time 2.46

Road Network Design

Corridor EZ delivers intelligent, AI driven creation of your entire road network via Project Assist. Once your surface and alignments are created, you can assign your templates and ‘Project Assist’ generates the design for an entire subdivision in a single operation including all curb returns, cul-de-sacs and knuckles. All of these elements are tied together so changing the vertical design of one road updates all of the connected profiles.

Time 6.22

Surface Output

Export your design to Civil 3D Surfaces at the click of a button, including all breaklines and boundaries. If you make a change, re-run the export to update all the surface definitions, maintaining all your surface labels, surface analysis and applied surface style.

Time 1.08

Profile Design

Push your designs out to Civil 3D Profiles, complete with Profile Views, with a single mouse click. Edit your Civil 3D profiles and read back to the design to update all your curb returns, cul-de-sacs and knuckles.

You can open multiple interactive design windows to edit your profile designs and view your cross sections, complete with plan tracking and dynamic updating as you change your design. There is no need to contend with split views and the hunt for profile views.

Time 3.20

Design Visualization

The Corridor EZ ‘Model Viewer’ assists your design process with real time rendering and visualization. It has a number of powerful analysis tools including line of sight analysis and reporting, automated line marking which can be exported to your CAD drawing.

Time 1.43

Corridor Output

At the click of a mouse, create a multi baseline Corridor – including all assemblies, targets, regions and overrides. Need to make a change – another road or knuckle? No problems – simply sync your Corridor.

Time 3.08

Ready to optimize your Civil 3D workflows? Learn how Corridor EZ can boost productivity 10-20X today!