How to Create Road Alignment Drawing in AutoCAD Step by Step

Introduction

Road alignment drawing is the basic and most important part of highway design. AutoCAD makes this work accurate and fast.

Step-by-Step Process

1. Import Survey Data

• Import total station or survey points
• Set correct units (meters)

2. Draw Center Line

• Use PLINE command
• Mark alignment points as per design

3. Add Curves

• Use ARC or FILLET command
• Maintain proper radius as per design

4. Label Chainage

• Mark every 10m / 20m interval
• Use text tool for chainage marking

Importance

• Accurate road design
• Easy construction layout
• Reduces field errors

Conclusion

AutoCAD alignment drawing improves planning and execution efficiency.