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It’s one thing to build a simple, linear corridor in Civil 3D, but it’s quite another to deal with the complex infrastructure many of us are faced with daily. Intersections, elbows, cul-de-sacs, and hammerhead type road designs have the reputation of being so difficult to handle with Civil 3D Corridors that many of us never even attempt them, we just sketch them out by hand in 2D. It doesn’t need to be as hard as you think. This class uses real world scenarios to show how simple it can be to model even the most complex Corridor geometry, using powerful tips and tricks that help ease the seemingly complex process of Civil 3D Corridors.

This eight (8) hour course is delivered in four (4), two-hour long sessions that students can attend online, right from their own desk. A live instructor will explain the detailed functions, and address questions as the class progresses.

Note: Instructor will present using Autodesk AutoCAD Civil 3D 2025. Students who wish to follow along with instructor are encouraged to use the same version.

Prerequisite: Students should have a working knowledge of AutoCAD Civil 3D.

Recording: Registrants for this course will receive access to a recording of each session for 7 consecutive days. Access will start the next business day after the session ends.

Must attend all four sessions. Course will run 3/21, 3/28, 4/4, 4/10 from 11:00 am to 1:00 pm ET.

Session 1: Corridor Basics (March 21)

• Creating and editing an assembly
• Building a basic corridor
• Understanding the properties of a corridor
• Working with corridor regions
• Targeting objects for width and elevation
• Controlling corridor transitions

Session 2: Working with Cul-de-sacs and Elbows (March 28)

• Creating and working with regions
• Building cul-de-sac profiles
• Creating cul-de-sac assemblies
• Working with multiple baselines
• Using multiple assemblies to a design

Session 3: Working with Intersections and Hammerheads (April 4)

• Understanding the Intersection Wizard
• Setting intersection defaults
• Understanding intersection regions and assembly sets
• Integrating turn lanes into intersections
• Setting up user-defined intersection targeting

Session 4: Corridor Sections & Surfaces (April 10)

• Using the Corridor Section Editor
• Section editor display & parameter controls
• Changing assemblies by section
• Adding & deleting corridor sections
• Generating a corridor surface
• Setting corridor surface data types & codes
• Adding corridor surface boundaries
• Dynamic actions of corridor surfaces