{
  "corridors": [
    {
      "band": "CLEAR",
      "confidence": "HIGH",
      "drivers": [
        "No closures or restrictions shown on the corridor read — QEII open",
        "Mostly ice; Highway 2 corridor: lowest minus 8 degrees, winds to 11 km/h",
        "No Environment Canada warnings in force as of 5:08 AM MDT (EC check via Weather Navigation)",
        "Tonight's EC forecast low minus 2 degrees at both Calgary and Edmonton, wind chill minus 7 to minus 8 overnight — below every scoring threshold; tonight's snow 2 cm, below the 5 cm scoring threshold"
      ],
      "id": "qeii",
      "low_c": -2,
      "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 ice; Highway 16 corridor: lowest minus 6 degrees, winds to 13 km/h",
        "No Environment Canada warnings in force as of 5:08 AM MDT (EC check via Weather Navigation)",
        "Snow tonight at Jasper: amount 5 cm (+10)",
        "Tonight at Jasper: low minus 4 degrees, wind chill minus 9 overnight — below every wind-chill and temperature scoring threshold"
      ],
      "id": "yellowhead",
      "low_c": -4,
      "low_source": "Environment Canada",
      "name": "Yellowhead — Edmonton ↔ Jasper",
      "score": 10,
      "sources": [
        "Environment Canada",
        "511 Alberta (via Weather Navigation)"
      ]
    },
    {
      "band": "CAUTION",
      "confidence": "HIGH",
      "drivers": [
        "Open to through traffic overnight — checked 4:00 AM PDT, no incidents reported",
        "Partial closure / major restriction: 2 work zones in effect until Oct 31 (+40)",
        "Winter conditions reported at the summit; 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: cloudy with showers, snow level lowering to 1000 metres near midnight, low plus 2 degrees"
      ],
      "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": [
        "No corridor closure — 401 mainline open through Toronto (live traffic aggregator, morning read)",
        "Two lane-level 401 collector collisions in Toronto (Allen Road, 2 right lanes; Victoria Park Avenue, 1 right lane and shoulder) — not a mainline closure (not scored)",
        "EC Toronto-area: no alerts shown; tonight increasing cloudiness, low plus 4 degrees"
      ],
      "id": "on-401",
      "low_c": 4,
      "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": "2026-10-27T05:21:00-06:00"
}