{
  "intersections": [
    {
      "id": "Cr1",
      "lights": ["East", "South"],
      "routes": {
        "Cr2": "East",
        "Cr4": "South"
      }
    },
    {
      "id": "Cr2",
      "lights": ["West", "East", "South"],
      "routes": {
        "Cr1": "West",
        "Cr3": "East",
        "Cr5": "South"
      }
    },
    {
      "id": "Cr3",
      "lights": ["West", "South"],
      "routes": {
        "Cr2": "West",
        "S": "South"
      }
    },
    {
      "id": "Cr4",
      "lights": ["East", "North"],
      "routes": {
        "Cr1": "North",
        "Cr5": "East"
      }
    },
    {
      "id": "Cr5",
      "lights": ["East", "West", "North"],
      "routes": {
        "Cr2": "North",
        "Cr4": "West",
        "S": "East"
      }
    }
  ]
}
