In the field of road transport, an interchange (American English) or a grade-separated junction (British English) is a road junction that uses grade separations to allow for the movement of traffic between …

The following subsections include a brief description and some of the advantages and disadvantages of each of the types of interchanges.

A traffic interchange is a combination of ramps and grade separations at the junction of two or more highways for the purpose of reducing or eliminating traffic conflicts, to improve safety, and increase …

Starting with the basics, there are two main types of interchanges: service and system. Service Interchanges connect a freeway or controlled access facility (typically high-speed, high-traffic …

Alternative types of intersections and interchanges, such as diverging diamond interchange (DDI), continuous flow intersection (CFI) (displaced left turn), and single point urban interchange (SPUI), …

Freeway interchanges are of two general types: A system interchange will connect freeway to freeway; a service interchange will connect a freeway to a lesser facility.

Variations of the diamond interchange include: Tight Urban Diamond Interchange (TUDI) - Closely spaced ramp intersections, typically within 250 ft [76 m] to 400 ft. [122 m] of each other, with side-by …

Explore the complex engineering that eliminates cross-traffic on major roadways. Learn how different interchange designs manage high-speed flow.

The most commonly used types of interchanges where two routes cross each other are the diamond, cloverleaf, and directional interchanges. When one route ends at an interchange with another route, …

A diverging diamond interchange (DDI), also called a double crossover diamond interchange (DCD), is a type of diamond interchange in which the two directions of traffic on the non-freeway road cross to …