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Adaptive Signal Control Technology in Cool Springs

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Approximate total cost-$1.6 million, 80% Federal/20% Local


 The City of Franklin is utilizing Federal Surface Transportation Block Grant (STBG) funds, along with a 20% local funds match, to design and implement Adaptive Signal Control Technology (ASCT) at several intersections in the Cool Springs area.  When completed, this ASCT system will automatically adjust (in stepped increments) traffic signal timings at the connected intersections to better reflect changing traffic conditions.  After completing a thorough qualifications-based process, the City has selected the Split, Cycle, and Offset Optimization Technique (SCOOT) system from Siemens Industry, Inc. for this project.


Nineteen (19) Traffic Signals in the Cool Springs Area:

Cool Springs Boulevard at:

  1. Mack Hatcher Parkway (SR-397),
  2. Windcross Court,
  3. West McEwen Drive,
  4. Aspen Grove Drive,
  5. Frazier Drive,
  6. Mallory Lane,
  7. I-65 Southbound Ramps,
  8. I-65 Northbound Ramps,
  9. Carothers Parkway, and
  10. Highwoods Office Park

    Mallory Lane at:

  11. Cool Springs Market (Kroger),
  12. Mallory Station Road/South Springs Drive,
  13. Nichol Mill Lane/Cool Springs Galleria,
  14. Crossroads Boulevard/Cool Springs Galleria,
  15. Bakers Bridge Avenue, and
  16. Seaboard Lane/Coolsprings Crossing

    Galleria Boulevard at:

  17. Bakers Bridge Avenue,
  18. Coolsprings Crossing, and
  19. I-65 Southbound Exit Ramp


Construction to begin Summer of 2019 with completion of the detection installation mid-late Fall of 2019. Adaptive turn on will likely be January/February 2020.


Jonathan Marston, P.E.
Assistant Director of Engineering

Project Documents:

General ASCT Information from FHWA

Approved Systems Engineering Analysis (SEA)

Preliminary Design (90%) Plans

SCOOT Brochure