Corridor Surfaces, Sample Lines & Section Views for Road Design | Civil 3D 2026 Tutorial

Welcome to this Autodesk Civil 3D 2026 tutorial for civil engineers and designers. In this step-by-step guide, we explore everything from corridor surface properties to sample lines, section views, and plot styles for professional road design projects.

Whether you are a beginner learning Civil 3D 2026 basics or an advanced user looking to refine your road design workflow, this video covers the most essential commands and settings to create accurate design documentation.

🔹 What You’ll Learn in This Video:
00:00 – Intro
01:42 – Corridor Surface Properties
02:22 – Import Styles and Settings
03:49 – Create Sample Lines
05:26 – Sample Lines by Range of Station
06:48 – Sample Line Properties
07:44 – Sample Line Group Properties
08:54 – Edit Group Labels for Sample Lines
11:07 – Sample Line Group Properties – Sections
12:08 – Create Multiple Section Views
13:30 – Plan Over Profile Template Selection
15:12 – Edit Group Plot Style for Section View Template
16:01 – Group Plot Style – Plot Area
16:26 – Group Plot Style – Display
16:47 – Group Plot Style – Offset Range
17:03 – Group Plot Style – Elevation Range
17:23 – Group Plot Style – Data Bands
18:46 – Section View Edit
19:30 – Section View Group Properties
20:20 – Corridor Section Properties – Code Set Style
21:03 – Edit Section Styles for EG & Design Surface

By the end of this video, you’ll understand how to:
✔️ Configure corridor surfaces in Civil 3D 2026
✔️ Create and manage sample lines and line groups
✔️ Generate multiple section views for road design
✔️ Apply plot styles, labels, and data bands
✔️ Edit and customize corridor section properties for professional reports

This tutorial is part of our Civil 3D 2026 Road Design series, guiding you from survey data all the way to final plans and reports.
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Thanks for watching and happy designing!