{ "layers": [ { "layerId": 0, "layerName": "Highway Network", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "Interstates", "url": "92a00c3772836b13c3253079f860377e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsAygg38ZSL4nxKD2M68Z0QxkFqAZegYyAYNA6oZSC3AQjWToGDUQMoB1cMQAAdZBhPCcGZiAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "IR" ] }, { "label": "Ramps", "url": "89ac4d8df02eac813f91d0b1c5b9f75c", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOUlEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoXhfzCiHDAyMDCywBgMVAIs1DIIBkYNpBywUMGMIWYgAFyaAlPvXayzAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "RA", "RE" ] }, { "label": "State & US Routes", "url": "81539e7f8b9d684c55082b95ad9b6561", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMklEQVQ4jWNhoDJgGTWQYsBCuRGoYAQb+J9K5jHSzIWM1DaQaoCFekZBwKiBlIPBH4YAheEBUjQUfpwAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "SR", "US" ] }, { "label": "Local Roads", "url": "e1a698d90af7fcafdab387d066425779", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPUlEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoXhmTNn/lPBLAYTExNGFhiDgUqAhVoGwcCogZQDFiqYMcQMBAAuOgTultTyzQAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "CR", "MR", "TR", "WS" ] } ], "legendGroups": [ { "id": "0", "heading": "Route Type" } ] } ] }