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Efficient Traffic Management: Diamond Interchanges Explained

Learn about different types of diamond interchanges, including SPUI and cloverleaf designs, signal phases, efficient operation, and capacity management. Discover the intricacies of optimizing traffic flow at intersections.

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Efficient Traffic Management: Diamond Interchanges Explained

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  1. Topic 8 Diamond Interchanges

  2. At Grade Interchange Types • Diamond Interchange (>70%) • Partial Cloverleaf • Single-point Urban Interchange (SPUI)

  3. Diamond Interchange • Tight Diamond (<400 ft) • Compressed (400~800 ft) • Conventional (>800 ft)

  4. SPUI

  5. Partial Cloverleaf

  6. Diamond Interchange Diamond Interchange Standard Intersection

  7. Signal Phases at a Diamond Interchange

  8. Basic Three-Phase Operation

  9. Phase Split and CapacityBasic Three Phase

  10. Example: Three Phase

  11. Example: Three Phase

  12. Other Three PhaseFavor West Side Time

  13. Other Three PhaseFavor East Side Time

  14. TTI-4 Phase

  15. TTI-four-Phase Operation * Overlap = T.T. - 2

  16. Phase Split and CapacityFour Phase

  17. Example: Four Phase

  18. Example: Four Phase

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