{
  "description": "Scanned road surface for TT Mountain Course.",
  "license": "CC0-1.0",
  "licenseUrl": "https://polyhaven.com/license",
  "credit": "Powered by Poly Haven",
  "creditUrl": "https://polyhaven.com/",
  "preparedAt": "2026-10-18",
  "notes": [
    "1K source JPEGs converted to WebP; sRGB diffuse, OpenGL normal and linear roughness.",
    "Layered over the game's procedural lane wear at a 2.08 m repeat.",
    "Close ground detail (aerial_grass_rock, colour only) and the dry-stone walls (rustic_stone_wall) reuse the CC0 Poly Haven scans shipped under /games/flight/materials/, listed in /games/flight/visual-assets-source.json.",
    "Other scenery reuses CC0 assets already listed in /games/steam/assets/sources.json and /games/flight/visual-assets-source.json."
  ],
  "assets": [
    {
      "file": "asphalt-diffuse.webp",
      "asset": "asphalt_01",
      "title": "Asphalt 01",
      "authors": {
        "Dario Barresi": "Processing",
        "Charlotte Baglioni": "Photography"
      },
      "source": "https://polyhaven.com/a/asphalt_01",
      "license": "CC0-1.0",
      "licenseUrl": "https://polyhaven.com/license",
      "sourceFiles": [
        {
          "url": "https://dl.polyhaven.org/file/ph-assets/Textures/jpg/1k/asphalt_01/asphalt_01_diff_1k.jpg",
          "md5": "43c88946c38109d77a24456686a376f9",
          "size": 739513
        }
      ],
      "adaptation": "1K source converted to WebP; original orientation preserved.",
      "bytes": 146220,
      "sha256": "d6218c4c94bc01d1551d26d52b4fb59f0ec72578dfa3288402e7afd4dcccc4b3",
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      ]
    },
    {
      "file": "asphalt-normal.webp",
      "asset": "asphalt_01",
      "title": "Asphalt 01",
      "authors": {
        "Dario Barresi": "Processing",
        "Charlotte Baglioni": "Photography"
      },
      "source": "https://polyhaven.com/a/asphalt_01",
      "license": "CC0-1.0",
      "licenseUrl": "https://polyhaven.com/license",
      "sourceFiles": [
        {
          "url": "https://dl.polyhaven.org/file/ph-assets/Textures/jpg/1k/asphalt_01/asphalt_01_nor_gl_1k.jpg",
          "md5": "ff3e4a0fc157cfa014fbcac68e662c38",
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      ],
      "adaptation": "1K source converted to WebP; original orientation preserved.",
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      "physicalDimensionsMetres": [
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      ]
    },
    {
      "file": "asphalt-roughness.webp",
      "asset": "asphalt_01",
      "title": "Asphalt 01",
      "authors": {
        "Dario Barresi": "Processing",
        "Charlotte Baglioni": "Photography"
      },
      "source": "https://polyhaven.com/a/asphalt_01",
      "license": "CC0-1.0",
      "licenseUrl": "https://polyhaven.com/license",
      "sourceFiles": [
        {
          "url": "https://dl.polyhaven.org/file/ph-assets/Textures/jpg/1k/asphalt_01/asphalt_01_rough_1k.jpg",
          "md5": "92ffad35bc543f59ffd9860c53a98214",
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      ],
      "adaptation": "1K source converted to WebP; original orientation preserved.",
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}