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Corridor EZ supercharges Civil 3D subdivision road design

Add powerful features missing from Civil 3D, complete tasks in minutes not hours, and boost efficiency — without hiring more staff.
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Key Features for major Corridor EZ

Model Viewer

Real-time rendering, visualisation, line-of-sight analysis, automated line marking and CAD export.

Project Assist AI

Reduces subdivision road layout from hours or days to minutes. Consistent quality for junior and senior designers alike.

Intersection Manager

Replaces Civil 3D’s clunky intersection process with a smart, centralised, adaptive tool.

Projected Profiles

Integrates independently designed road features (parking bays, knuckles) into main road Profile Views.

Reference Profiles

Eliminates tedious steps, keeps designs dynamic and responsive.

Surface Output

Export to Civil 3D Surfaces instantly, preserving labels, analysis and styles on re-export.

ScriptX

Chat-driven scripting for precise cross section editing.

Templates

Simplified, intuitive method for defining project elements across an entire subdivision.

Automated Road Network Design

Single mouse click generates the full design for an entire subdivision from a pre-defined template.

Multi Baseline Corridor

Faster, smarter alternative to Civil 3D’s native multi-baseline corridor tools.

Civil 3D Profile

Push designs to Civil 3D Profiles with one click; edit dynamically with instant updates.

See in it action

Civil 3D with Corridor EZ

  • 10mins

Civil 3D without
Corridor EZ

  • 230 mins (3.8 hrs)

Features Comparison Table

(Civil 3D vs Corridor EZ)
Civil 3D
Corridor EZ
Model Viewer
❌
✓
Project Assist AI
❌
✓
Intersection Manager
❌
✓
Projected Profiles
❌
✓
Reference Profiles
❌
✓
Automatic Best-Fit Profile Design
❌
✓
Automatic Balance Cut and Fill
❌
✓
Cul-de-sac & Knuckle Tools
❌
✓
Surface Output
❌
✓
ScriptX
❌
✓

Automate Your Civil 3D Workflow with Corridor EZ

Customer Testimonials

I was able to design three different layout options in a fraction of the time it had taken to create just one option.

Russ Nicloy

MACER Technologies

Junior designers, who often do not understand corridors, will be productive with Corridor EZ in hours.

Ryan Caudell

CAD Support Plus

Corridor EZ revolutionizes the method of designing subdivisions with Civil 3D.

Chuck Litchfield

AKS Engineering

I was able to design three different layout options in a fraction of the time it had taken to create just one option.

Russ Nicloy

MACER Technologies

Junior designers, who often do not understand corridors, will be productive with Corridor EZ in hours.

Ryan Caudell

CAD Support Plus

Corridor EZ revolutionizes the method of designing subdivisions with Civil 3D.

Chuck Litchfield

AKS Engineering
5.0 Star Rating - Jan 2025

Autodesk-approved app — quality, reliability and seamless integration assurance.

Autodesk App Store
5.0 Star Rating - Jan 2025

Try Corridor EZ free for 30 days

Start your free trial, book a live demo tailored to your needs, or request a free technical consultation.
Download Free Trial
Book a Live Demo
Free Tech Consultation
Civil Survey Applications (CSA) bridges the gap between complex design and seamless drafting. Based in Australia and powered by a team of practicing civil engineers and surveyors, we develop industry-leading tools that sit directly inside Autodesk and Bricsys platforms—ensuring your workflow stays in one high-performance environment.

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