{
  "corridors": [
    {
      "band": "CLEAR",
      "confidence": "HIGH",
      "drivers": [
        "No closures or restrictions overnight — QEII open",
        "Mostly dry, ice in places; Highway 2 corridor: lowest minus 7°C, winds to 25 km/h",
        "No Environment Canada warnings in force as of 5:16 AM MDT (EC check via Weather Navigation)",
        "Tonight's EC forecast low minus 5°C at both Edmonton and Calgary — wind chill minus 8 to minus 9 overnight, above every scoring threshold"
      ],
      "id": "qeii",
      "low_c": -5,
      "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 overnight — Yellowhead open",
        "Mostly dry, ice in places; Highway 16 corridor: lowest minus 7°C, winds to 41 km/h",
        "No Environment Canada warnings in force as of 5:16 AM MDT (EC check via Weather Navigation)",
        "Tonight at Jasper: cloudy with 60 percent chance of flurries, low minus 5°C, wind chill minus 10 overnight — wind chill at the minus 10 threshold (+8)"
      ],
      "id": "yellowhead",
      "low_c": -5,
      "low_source": "Environment Canada",
      "name": "Yellowhead — Edmonton ↔ Jasper",
      "score": 8,
      "sources": [
        "Environment Canada",
        "511 Alberta (via Weather Navigation)"
      ]
    },
    {
      "band": "CAUTION",
      "confidence": "HIGH",
      "drivers": [
        "Open to through traffic overnight — checked 4:00 AM PDT",
        "Partial closure / major restriction: two work zones in effect until Oct 24 — lane closures one direction at a time at Nicolum Creek Bridge, paving lane closures both directions (+40)",
        "No chain-up requirement posted; BC chain season in force since Oct 1 (standing, not scored)",
        "No Environment Canada alerts shown for Merritt; Saturday night EC Merritt forecast gives no low — periods of rain, temperature steady near plus 3 — so no low is recorded"
      ],
      "id": "coquihalla",
      "low_c": null,
      "name": "Coquihalla — Hope ↔ Kamloops",
      "score": 40,
      "sources": [
        "DriveBC (via Is The Coquihalla Open)",
        "Environment Canada"
      ]
    },
    {
      "band": "CLEAR",
      "confidence": "LIMITED",
      "drivers": [
        "No corridor closure — 401 west, central and east all slow through Toronto (live traffic aggregator, 4:46 AM EDT)",
        "One current 401 item: nightly maintenance, 401 westbound between Regional Road 25 and Guelph Line, Milton — moderate, lane-level, not a corridor closure (not scored)",
        "EC Toronto-area: no alerts shown; today sunny, high 16; tonight clear, low plus 3 with risk of frost — no threshold met"
      ],
      "id": "on-401",
      "low_c": 3,
      "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": "2026-10-24T05:21:00-06:00"
}