Turning Movement Counts

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/replica/refs/heads/main/json-schema/replica-turning-movement-counts-tmcs.json",
  "title": "Turning Movement Counts",
  "description": "One row of Replica's \"Turning Movement Counts\" dataset. Derived from the published schema table at https://documentation.replicahq.com/docs/turning-movement-counts-tmcs.",
  "x-source": "https://documentation.replicahq.com/docs/turning-movement-counts-tmcs",
  "x-generated": "2026-08-02",
  "x-method": "derived",
  "x-status": "active",
  "type": "object",
  "properties": {
    "intersection_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "Unique ID of the intersection.",
      "examples": [
        "61.5522_-149.5329"
      ]
    },
    "intersection_id_geom": {
      "type": [
        "string",
        "null"
      ],
      "description": "Lat-long of the intersection in WKT POINT() format.",
      "examples": [
        "POINT(-149.5329 61.5522)"
      ]
    },
    "turn_maneuver": {
      "type": [
        "string",
        "null"
      ],
      "description": "Maneuver at the intersection, such as left, right, through, u-turn.",
      "examples": [
        "through"
      ]
    },
    "movement_direction": {
      "type": [
        "string",
        "null"
      ],
      "description": "Start to end compass direction.",
      "examples": [
        "S_to_W"
      ]
    },
    "inbound_direction": {
      "type": [
        "string",
        "null"
      ],
      "description": "Inbound compass direction.",
      "examples": [
        "E"
      ]
    },
    "inbound_heading": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Heading of the inbound road described as degrees from north (0-360).",
      "examples": [
        "87"
      ]
    },
    "turning_movement": {
      "type": [
        "string",
        "null"
      ],
      "description": "Turning movement as 'NBL' or 'NBT'.",
      "examples": [
        "NBL"
      ]
    },
    "state": {
      "type": [
        "string",
        "null"
      ],
      "description": "US state abbreviation indicating location of intersection.",
      "examples": [
        "AK"
      ]
    },
    "inbound_stable_edge_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "A unique identifier for the network link.",
      "examples": [
        "10908660954266870460"
      ]
    },
    "inbound_street_name": {
      "type": [
        "string",
        "null"
      ],
      "description": "The common name of the network link if available. Matches the name assigned by OpenStreetMap.",
      "examples": [
        "Kenai Spur Highway"
      ]
    },
    "outbound_osm_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "A unique identifier for the OSM way or supersegment ID. Can be converted to a set of stable edge IDs.",
      "examples": [
        "792610357"
      ]
    },
    "outbound_street_name": {
      "type": [
        "string",
        "null"
      ],
      "description": "The common name of the network link if available. Matches the name assigned by OpenStreetMap.",
      "examples": [
        "West Dimond Boulevard"
      ]
    },
    "hour": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Hour of day that the trip started, reported in the local time zone in 24-hour time format. Values in this field range between 0 and 23.",
      "examples": [
        "12"
      ]
    },
    "day": {
      "type": [
        "string",
        "null"
      ],
      "description": "Day of the week",
      "examples": [
        "MON"
      ]
    },
    "count": {
      "type": [
        "integer",
        "null"
      ],
      "description": "TMC counts scaled from observed numbers to match total volumes along network links.",
      "examples": [
        "522"
      ]
    }
  },
  "additionalProperties": true
}