A diverging diamond interchange (DDI) can be a game changer for high-traffic areas, particularly near interstates where traffic enters and exits from different directions. Over the past few years, multiple interchanges throughout the state have been converted to DDIs and helped to reduce conflict points with crossing traffic. | SCDOT

Drivers will soon be able to use the new I-40 Interchange at Donelson Pike near Nashville International Airport. It’s called a "Diverging Diamond Interchange," and now is the perfect time to refresh your memory on how they work. The instructional video below can help. The current configuration cannot accommodate current and future traffic demands of Donelson Pike and BNA. This new DDI interchange will increase capacity and provide efficient access to the airport, I-40, and other nearby businesse

💎What is a Diverging Diamond Interchange (DDI)? In this video, we will take a closer look at navigating a Diverging Diamond Interchange or DDI. 💎How do you drive through a DDI? It’s simple, follow the lines and signs. The striping, signing and signal displays are effective at routing drivers through the interchange. 💎Why choose a Diverging Diamond Interchange design? These types of interchanges reduce the number of potential vehicle conflict points, reduce risk of collisions and allow people