{
  "reviewed": "2026-09-21",
  "defaultScenario": {"name":"Evening commute stress scenario", "displayTime":"5:00 PM", "volumeVehPerHour":3400, "status":"assumed", "note":"User-requested evening scenario. Not a measured current worst hour. 6 PM and 6:30 PM have no verified local counts in this package."},
  "signal": {"cycleSeconds":120,"status":"assumed","note":"Current Fremont/Mowry controller timing sheet, phase splits, actuation and coordination offsets were not obtained. Countdown displays model time only."},
  "historicalDelay": {"rangeSeconds":[35,55],"period":"October 2020, reported March 26 2021", "scope":"Fremont Boulevard and Mowry Avenue", "source":"https://patch.com/california/fremont/these-21-fremont-traffic-signals-have-longest-delays", "note":"Historical INRIX scorecard reported by Patch; not a current measurement or signal cycle duration."},
  "tomtom":{"status":"not_connected","source":"https://docs.tomtom.com/traffic-api/documentation/tomtom-maps/v1/traffic-flow/flow-segment-data","note":"Flow Segment supplies road segment speed, travel time and confidence. It does not supply this intersection's controller phase timing or explain crash causation. No licensed local live feed was obtained."},
  "geometry":{"source":"https://www.openstreetmap.org/copyright","fetched":"2026-09-21","visualReference":"https://www.google.com/maps/@37.5486218,-121.9883743,19z","note":"OSM footprint and road centreline data plus Google Maps visual inspection. Unknown building materials, heights and some road widths remain estimates."},
  "landmarks":{"fremontBank":"https://www.fremontbank.com/locations/fremont-main","downtown":"https://www.fremont.gov/government/departments/economic-development/local-economy-overview/employment-hubs/downtown-and-city-center","historicalTenants":["Boston Market next to Jamba","Goodwill on Yogurtland side"],"note":"Historical tenants retained at owner's request; not a current occupancy claim."},
  "crashes":{"status":"no_local_causal_dataset","note":"Player collision telemetry is simulated. No inference that a lane treatment caused actual crashes. Case-level collision records and observed trajectories are required for causal analysis."}
}