{
  "name": "Atlantic Highway",
  "slug": "a39-atlantic-highway",
  "url": "https://www.bestdrivingroads.com/roads/a39-atlantic-highway/",
  "summary": "The wild north-Cornwall coast road above the Atlantic surf.",
  "roadNumbers": [
    "A39"
  ],
  "location": {
    "country": "United Kingdom",
    "region": "England",
    "start": {
      "name": "Marhamchurch",
      "lat": 50.821237,
      "lon": -4.525079
    },
    "end": {
      "name": "Tresinney",
      "lat": 50.6194,
      "lon": -4.680864
    }
  },
  "measurements": {
    "lengthMiles": 16.3,
    "lengthKm": 26.2,
    "driveMinutes": 31,
    "corners": 22,
    "hairpins": 0,
    "maxGradientPercent": 8,
    "summitMetres": 303.9,
    "elevationConfidence": "measured",
    "difficulty": "moderate",
    "tightnessOutOf10": 4
  },
  "timing": {
    "bestSeasons": [
      "spring",
      "summer",
      "autumn"
    ]
  },
  "conditions": {},
  "hazards": [
    "Heavy summer tourist traffic",
    "Steep wooded dips",
    "Surfers' vans at the beaches"
  ],
  "scenery": [
    "coast",
    "moorland"
  ],
  "pointsOfInterest": [
    "Cornwall at War Museum",
    "Four Seasons Cafe & Tea Garden"
  ],
  "geometry": {
    "pointCount": 103
  },
  "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": "2026-07-25"
}