A diamond interchange is a type of road junction that allows vehicles to transition between a major road, like a highway, and a minor road, such as a local street. It features two ramps that connect the minor road to the major road, enabling drivers to exit and enter without stopping traffic on the main road. This design helps improve traffic flow and safety. Typically, a diamond interchange includes traffic signals or stop signs at the ramp intersections. It is commonly used in urban and suburban areas where space is limited, making it an efficient solution for managing vehicle movement at busy intersections.