Flared intersection is the correct answer.

Flared intersection refers to an intersection where an additional pavement is provided for lane change. This type of intersection design allows vehicles to smoothly transition from one lane to another without causing disruptions or conflicts with other vehicles. It is considered a safer and more efficient design compared to other types of intersections.

Here is a detailed explanation of the answer:

Flared Intersection:
Flared intersection is a type of intersection design that includes an additional pavement area, commonly known as a flare, for lane change maneuvers. The purpose of this additional pavement is to provide a designated space for vehicles to change lanes without interfering with other traffic.

Advantages of Flared Intersections:
- Improved Safety: Flared intersections help enhance safety by minimizing the risk of collisions during lane changes. The additional pavement provides a dedicated area for vehicles to merge or change lanes, reducing the chances of side-swipe accidents.
- Smoother Traffic Flow: The presence of a flared pavement allows for smoother traffic flow, as vehicles can transition between lanes seamlessly. This helps to minimize congestion and delays at the intersection.
- Increased Capacity: Flared intersections can accommodate a higher volume of traffic compared to traditional intersections. The additional pavement area provides more space for vehicles to maneuver, allowing for better traffic management.
- Clear Lane Visibility: The flared pavement design provides better visibility for drivers, enabling them to see the adjacent lanes and make safe lane change decisions.

Other Intersection Types:
To understand why the other options are incorrect, let's briefly explain them:
a) Tee Intersection: A tee intersection is formed when one road intersects another road at a perpendicular angle, resembling the shape of the letter "T." It does not involve an additional pavement for lane change.
b) Rotary Intersection: A rotary intersection, also known as a roundabout or traffic circle, is a type of intersection where traffic flows in a circular pattern around a central island. It does not have a separate pavement for lane change.
d) Skewed Intersection: A skewed intersection is formed when two roads intersect at an angle other than 90 degrees. It does not have a separate pavement for lane change.

Conclusion:
In conclusion, when an additional pavement is provided for lane change, the intersection is called a flared intersection. This type of intersection design improves safety, traffic flow, and capacity by allowing vehicles to change lanes smoothly without causing disruptions or conflicts with other vehicles.