Pinnacle Peak Road Traffic Interchange (TI)

Scope of Work

  • Constructing a new Tight Diamond traffic interchange
  • Constructing a new overpass that would accommodate the potential future expansion of I-17
  • Reconstructing Pinnacle Peak Road to have:
    • Two through lanes in each direction
    • Two dedicated left-turn lanes
    • Dedicated right-turn lanes
    • Bicycle lanes and pedestrian walkways
  • Replacing existing culverts and re-grading the detention basins
  • Constructing retaining walls
  • Installing ramp meters, signals, lighting and pavement markers

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Before and After

Compare the before (gray map) with the improvements map using the slider below: