Diverging Diamond Interchange (DDI)

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Coming to a Highway Near You: An Insightful Solution to Your DDI Design

Highways are shifting to more and more DDIs and a well-designed DDI has the potential to improve safety, reduce traffic delays, and save costs over traditional interchanges. Designers are faced with the challenge of balancing competing factors, such as the footprint and geometry, safety, design vehicle accommodation and cost.

NEXUS DDI reduces the need for manual generation and editing of DDI geometry. Be more productive using parametric drafting and dynamic design modeling. By using NEXUS DDI, even the less experienced designers will gain confidence and knowledge in designing more complex DDIs.

Learning Objectives:

  • Diverging Diamond Interchange (DDI) background/introduction
  • When should DDI be used?
  • How to save time with planning & preliminary stages of the DDI geometric design.
  • How to minimize iteration cycle during a DDI geometric design.
  • How to use NEXUS DDI software for your DDI design project

 


Take the Quiz

1. You can edit lane configurations and assignments in NEXUS DDI.
2. You can’t define your own design guideline in NEXUS DDI software.
3. What phase of the project can be completed using current NEXUS DDI software?
4. What type of users does a DDI benefit?
5. How does NEXUS DDI help you save more time?
6. Which state or province in North America has the most DDIs?
7. Which evaluation tool does NEXUS DDI have?
8. What are the benefits of implementing a DDI based on FHWA?
9. What is DDI also referred as?
10. What programs is Nexus DDI compatible with?

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