Turing Registry

Turing Registry · TR-05371

PHASEPILOT

Traffic signal optimization. Operated by Wrenfield Springs Borough Council.

Summary

Adaptive signal timing for 235 intersections in Wrenfield Springs, adjusting phase lengths to measured traffic every few seconds.

License conditions

  1. Signals revert to fixed timing if the system loses its sensor feed.
  2. Minimum pedestrian crossing times are set by city engineers and may not be shortened.
  3. Changes affecting more than ten intersections are reviewed by a human engineer.

The Registry’s standard conditions also apply:

  • 4.2 The system’s ethical constraints remain active and unmodified at all times.
  • 6.1 Any incident affecting the system is reported to the Registry within 72 hours.
  • 7.3 A named human contact is reachable and answers for the system.

Filing history

  1. Licensed for traffic signal optimization.

  2. Renewal filed and approved.

  3. Renewal filed and approved.

  4. Renewal filed and approved with no change to scope.

  5. Renewal filed and approved.

  6. Renewal filed and approved after an independent evaluation.

  7. Operator reported a minor collision with a stationary object. Root cause fixed; no breach found.

  8. Renewal filed and approved.

Also filed by Wrenfield Springs Borough Council

All 8 filings by this operator →