{
  "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 11 km/h",
        "No Environment Canada warnings in force as of 6:15 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 5 degrees, winds to 8 km/h",
        "No Environment Canada warnings in force as of 6:15 AM CST (EC check via Weather Navigation)",
        "Tonight at Jasper: low minus 2 degrees, wind chill minus 4 overnight — no scoring threshold met",
        "Jasper 6:00 a.m. read minus 4.9 degrees — back below freezing after yesterday's mild plus 2.3 dawn",
        "Icefields Parkway snow-tire or chain rule in force since Nov 1 (Parks Canada) — context, not scored"
      ],
      "id": "yellowhead",
      "low_c": -2,
      "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: 60 percent chance of showers overnight, low plus 2 degrees — no snow in tonight's forecast"
      ],
      "id": "coquihalla",
      "low_c": 2,
      "low_source": "Environment Canada",
      "name": "Coquihalla — Hope ↔ Kamloops",
      "score": 40,
      "sources": [
        "DriveBC (via Is The Coquihalla Open)",
        "Environment Canada"
      ]
    },
    {
      "band": "CLEAR",
      "confidence": "LIMITED",
      "drivers": [
        "Lane-level collision, not scored: 401 westbound collector at Markham Road, left shoulder and 2 left lanes closed, rated moderate — the collector still carries traffic",
        "0 of Toronto's 9 major highways have a major incident or full closure; 1 is slow or has lanes closed, 8 are clear",
        "EC Toronto-area: no alerts shown; tonight showers, 10 to 15 mm, low 13 degrees — no scoring threshold met",
        "Toronto Pearson 7:00 a.m. read 14.0 degrees, partly cloudy, east wind 8 km/h — not a scoring input"
      ],
      "id": "on-401",
      "low_c": 13,
      "low_source": "Environment Canada",
      "name": "ON 401 — Windsor ↔ Toronto ↔ Kingston",
      "score": 0,
      "sources": [
        "routeoutlook.com (live traffic aggregator, presenting Ontario 511 data)",
        "Environment Canada"
      ]
    }
  ],
  "scored_at": "2026-11-04T06:25:00-06:00"
}