{
  "corridors": [
    {
      "band": "CLEAR",
      "confidence": "HIGH",
      "drivers": [
        "No closures or restrictions shown on the corridor read — QEII open",
        "Mostly dry, ice in places; Highway 2 corridor: lowest minus 4 degrees, winds to 26 km/h",
        "No Environment Canada warnings in force as of 6:21 AM CST (EC check via Weather Navigation)",
        "Tonight's EC forecast low minus 1 degree at both Edmonton and Calgary — corridor low recorded as minus 1; no scoring threshold met"
      ],
      "id": "qeii",
      "low_c": -1,
      "low_source": "Environment Canada",
      "name": "QEII — Calgary ↔ Edmonton",
      "score": 0,
      "sources": [
        "Environment Canada",
        "511 Alberta (via Weather Navigation)"
      ]
    },
    {
      "band": "CLEAR",
      "confidence": "HIGH",
      "drivers": [
        "No closures or restrictions shown on the corridor read — Yellowhead open",
        "Mostly dry, ice in places; Highway 16 corridor: lowest minus 4 degrees, winds to 18 km/h",
        "No Environment Canada warnings in force as of 6:21 AM CST (EC check via Weather Navigation)",
        "Tonight at Jasper: low minus 6 degrees, wind chill minus 8 overnight — no scoring threshold met",
        "Jasper 6:00 a.m. read plus 2.3 degrees — a mild dawn after the cold mornings",
        "Icefields Parkway snow-tire or chain rule in force since Nov 1 (Parks Canada) — context, not scored"
      ],
      "id": "yellowhead",
      "low_c": -6,
      "low_source": "Environment Canada",
      "name": "Yellowhead — Edmonton ↔ Jasper",
      "score": 0,
      "sources": [
        "Environment Canada",
        "511 Alberta (via Weather Navigation)"
      ]
    },
    {
      "band": "CAUTION",
      "confidence": "HIGH",
      "drivers": [
        "Open to through traffic overnight — checked 5:00 AM PDT, no incidents reported",
        "Partial closure / major restriction: 1 work zone in effect (+40)",
        "M+S or 3-peak-mountain-snowflake tires required Oct 1 to Apr 30 (standing rule, not a chain-up requirement, not scored)",
        "No Environment Canada alerts shown for Merritt; tonight EC Merritt forecast: a few clouds, low minus 3 degrees — no snow in tonight's forecast",
        "Snow no longer in the Merritt forecast: Wednesday night now reads cloudy with a 60 percent chance of showers, low plus 2 — context, not scored"
      ],
      "id": "coquihalla",
      "low_c": -3,
      "low_source": "Environment Canada",
      "name": "Coquihalla — Hope ↔ Kamloops",
      "score": 40,
      "sources": [
        "DriveBC (via Is The Coquihalla Open)",
        "Environment Canada"
      ]
    },
    {
      "band": "CAUTION",
      "confidence": "LIMITED",
      "drivers": [
        "Partial closure / major restriction: 401 eastbound express, all lanes closed at Markham Road after a collision, rated critical (+40)",
        "Two further lane-level 401 items: debris eastbound collector at Weston Road, centre lane closed, moderate — and a collision westbound collector at Bayview Avenue, 2 right lanes and right shoulder closed, moderate — not scored",
        "EC Toronto-area: no alerts shown; tonight clear, low 12 degrees — no scoring threshold met",
        "Toronto Pearson 7:00 a.m. read 14.3 degrees, mist, southeast wind 9 km/h — not a scoring input"
      ],
      "id": "on-401",
      "low_c": 12,
      "low_source": "Environment Canada",
      "name": "ON 401 — Windsor ↔ Toronto ↔ Kingston",
      "score": 40,
      "sources": [
        "routeoutlook.com (live traffic aggregator, presenting Ontario 511 data)",
        "Environment Canada"
      ]
    }
  ],
  "scored_at": "2026-11-03T06:25:00-06:00"
}