{
  "name": "Southern Cross-Island Highway",
  "slug": "southern-cross-island-highway",
  "url": "https://www.bestdrivingroads.com/roads/southern-cross-island-highway/",
  "summary": "Taiwan's most dramatic trans-mountain route: Highway 20 climbs from the Tainan plains through Yushan National Park to the 2,722 m Yakou pass, then down the Laonong gorge to Taitung.",
  "roadNumbers": [
    "台20"
  ],
  "location": {
    "country": "Taiwan",
    "region": "Central Mountain Range",
    "start": {
      "name": "Yujing",
      "lat": 23.120006,
      "lon": 120.461059
    },
    "end": {
      "name": "Guanshan",
      "lat": 23.087015,
      "lon": 121.176305
    }
  },
  "measurements": {
    "lengthMiles": 104.2,
    "lengthKm": 167.7,
    "driveMinutes": 230,
    "corners": 598,
    "hairpins": 10,
    "maxGradientPercent": 17,
    "summitMetres": 2742.7,
    "elevationConfidence": "approximate (30 m DEM cannot resolve this line)",
    "difficulty": "demanding",
    "tightnessOutOf10": 7
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Restricted opening hours on the central section",
    "Typhoon damage risk",
    "High-altitude fog and ice in winter",
    "Limited mobile signal",
    "Landslide risk on steeper sections"
  ],
  "scenery": [
    "mountain",
    "gorge",
    "forest",
    "valley"
  ],
  "pointsOfInterest": [
    "Jiaxian Bridge"
  ],
  "geometry": {
    "pointCount": 1986
  },
  "attribution": {
    "source": "Routes - bestdrivingroads.com",
    "citation": "Cite with a link to the road page. Stats are measured from the mapped line, not copied from other lists; where elevationConfidence is \"approximate\" the 30 m DEM cannot resolve that line and the elevation figures are indicative.",
    "roadGeometry": "(c) OpenStreetMap contributors, ODbL",
    "terms": "Facts are free to cite with attribution; bulk reproduction of the catalogue requires permission (simon@keane.studio)."
  },
  "updated": "2026-08-03"
}