Why curves are provided on the road

• A rut is a depression or groove made on a road or path by the passage of wheels or skis.
• Curves in the road are created for the passengers’ comfort.
• Curves can be used to gradually shift the direction or orientation of the alignment.
• Curves are provided to ease turning on roads and tracks.

Types of Curves are

The following are examples of horizontal curves:

1. Simple Curve
2. Compound curve
3. Reverse Curve
4. Transition Curve

Vertical curves are

1. Summit and valley curves.