Corridor EZ for Civil 3D increases your productivity by automating the most complex part of Civil 3D – corridor modeling.

Corridor EZ for Civil 3D

Corridor EZ fast tracks your design, starting with your alignments and surfaces, to create Civil 3D surfaces, profiles, profile views, assemblies and corridors.

Spend minutes, not hours, on your entire design and production process.

Corridor EZ seamlessly integrates with

Autodesk Civil 3D

Corridor EZ for Civil 3D

This video about Corridor EZ for Civil 3D will change your view of subdivision road design forever!

Head-to-Head Design Challenge

In an independent professional test, Corridor EZ was compared to native Civil 3D corridor design for a typical subdivision. The results show a clear winner. >> More

Corridor EZ for Civil 3D

10 Minutes

Autodesk Civil 3D

230 Minutes (3.8 hours)

Key Features of Corridor EZ for Civil 3D

The short videos below will show you how Corridor EZ for Civil 3D greatly simplifies and speeds up corridor design.

Intuitive Corridor EZ Toolspace

Intuitive Corridor EZ Toolspace

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!

Templates Simplify Assemblies

Corridor EZ provides a spreadsheet-like template manager to define your road, curb, sidewalks, pond elements and related grading polylines.

Templates replace the need to build complex assemblies and can be easily customized to meet specific project needs.

When your design is complete and you are ready to create a corridor – Corridor EZ will create the required assemblies for you.

Templates simplify assemblies with an intuitive user interface
Corridor EZ provides intuitive tools for intelligent road network design,

Intelligent 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 these elements are tied together so changing the vertical design of one road updates all of the connected profiles

Leverage the Civil 3D Profile

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.

As well, 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.

Corridor EZ will automatically generate your Civil 3D profiles with your styles

Corridor EZ Surface Output

Once your design is complete, you can export your design to Civil 3D Surfaces at the click of a button, including all breaklines and boundaries.

If you make a change in your design, re-run the export to update all the surface definitions, maintaining all your surface labels surface analysis and applied surface style.

Real Time Interactive 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.

Model Viewer provides a dynamic real time visualization tool as you make design changes. But it is much more allowing you to add objects, line marking, perform drive throughs and line of sight analysis.
Corridor EZ for Civil 3D

And Finally …… The Corridor

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

The First Civil Design Software to Introduce AI for Subdivision Design

The Benefits of AI in Subdivision Design

  • Design speed is everything in today’s competitive environment.
  • Corridor EZ‘s AI for subdivision design reduces the time taken to layout a subdivision road network from hours or days to just minutes.
  • The software deduces your design intent based on how you name your alignments and learns as you make corrections.

The Corridor EZ Challenge

A Civil 3D pro builds out a preliminary subdivision design and generates the corridor and Civil 3D profiles in 30 minutes compared to 8 hours using Civil 3D alone using the Corridor EZ Project Assist AI.

See the results here

Why Your Business MUST Consider Corridor EZ for Civil 3D


  • In today’s competitive environment, performance is everything!

  • Corridor EZ adds incredible automation with its AI Engine, automated road and curb return design, and intuitive user interface for vertical design.

  • Experienced users become more productive immediately. Interns are fully productive in days.


  • Corridor EZ is fully integrated with Civil 3D. It automates much of your design processes and will automatically generate Civil 3D profiles, surfaces, feature lines and corridors.

  • Your investment in Civil 3D styles is maintained as are all of your production standards.


  • We offer choice in solutions and licensing. Corridor EZ is focused on Civil 3D users and is available as an annual subscription.

  • For those looking for lower cost, Civil 3D alternative, consider Civil Site Design for BricsCAD.

Angel Espinoza, an Autodesk Civil 3D technical guru, had this to say about Corridor EZ:

“But, for 4 minutes’ worth of work, to do 33 intersections along 26 streets this is ama-za-zing stuff. “

Want to investigate how Corridor EZ for Civil 3D can help your organization?
Begin Your Journey Today!