{
 "source": "TomTom Traffic Index 2025, city pages",
 "urls": {
  "chiang_mai": "https://www.tomtom.com/traffic-index/city/chiang-mai",
  "bangkok": "https://www.tomtom.com/traffic-index/bangkok-traffic/"
 },
 "fetched": "2026-09-21",
 "licence": "quoted figures; TomTom's own terms",
 "chiang_mai": {
  "congestion_pct": 48.7,
  "change_pp": -2.3,
  "min_per_10km": "24:12",
  "rush_speed_kmh": 21.6,
  "morning": {
   "min_per_10km": "24:41",
   "congestion_pct": 55.8,
   "kmh": 24.3
  },
  "evening": {
   "min_per_10km": "29:42",
   "congestion_pct": 82.4,
   "kmh": 20.2
  },
  "hours_lost": 89,
  "worst_day": "2025-11-03",
  "km_in_15min": 6.2,
  "monthly_2025": [
   52,
   51,
   48,
   50,
   37,
   39,
   42,
   43,
   44,
   45,
   47,
   51
  ],
  "monthly_2024": [
   51,
   51,
   51,
   54,
   48,
   51,
   47,
   56,
   57,
   58,
   53,
   57
  ],
  "monthly_note": "the page lists 24 values; which row is which year is this project's reading"
 },
 "bangkok": {
  "congestion_pct": 67.9,
  "change_pp": 1.3,
  "min_per_10km": "22:59",
  "rush_speed_kmh": 20.9,
  "hours_lost": 115,
  "evening": {
   "min_per_10km": "31:25",
   "congestion_pct": 126.5,
   "kmh": 19.1
  }
 }
}