Replica · Schema

Annual Speeds per Network Link

One row of Replica's "Annual Speeds per Network Link" dataset. Derived from the published schema table at https://documentation.replicahq.com/docs/free-flow-speed-per-network-link.

CompanyDataMobilityTransportationGeospatialUrban PlanningTravel Demand ModelingGovernmentAnalyticsData Platform

Properties

Name Type Description
stable_edge_id stringnull A unique identifier for each road segment.
osm_id stringnull OSM Way ID (version 2021-09-01 for the 2021 data; version 2022-12-01 for the 2022 data)
street_name stringnull The common name of the network link if available. Matches the name assigned by OpenStreetMap.
highway stringnull The classification of the link based on OpenStreetMap data if available.
length numbernull The length of the network link in meters.
lanes integernull The number of lanes in the network link.
heading integernull The heading of the network link.
compass_direction stringnull The compass direction of the network link.
geometry stringnull Orientation of speed relative to OSM way (True: parallel, False: antiparallel).
speed_limit_mph integernull Speed limit of the network link in miles per hour
average_speed_mph integernull Average speed for the newtork link in miles per hour
free_flow_speed_mph integernull Free flow speed for the network link in miles per hour.
speed_p50_mph integernull Median of speeds for the network link in miles per hour.
speed_p85_mph integernull Percentile 85 of speeds for the network link in miles per hour.
speed_p95_mph integernull Percentile 95 of speeds for the network link in miles per hour.
View JSON Schema on GitHub

JSON Schema

replica-free-flow-speed-per-network-link.json Raw ↑ 
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/replica/refs/heads/main/json-schema/replica-free-flow-speed-per-network-link.json",
  "title": "Annual Speeds per Network Link",
  "description": "One row of Replica's \"Annual Speeds per Network Link\" dataset. Derived from the published schema table at https://documentation.replicahq.com/docs/free-flow-speed-per-network-link.",
  "x-source": "https://documentation.replicahq.com/docs/free-flow-speed-per-network-link",
  "x-generated": "2026-08-02",
  "x-method": "derived",
  "x-status": "active",
  "type": "object",
  "properties": {
    "stable_edge_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "A unique identifier for each road segment.",
      "examples": [
        "6544473848226082043"
      ]
    },
    "osm_id": {
      "type": [
        "string",
        "null"
      ],
      "description": "OSM Way ID (version 2021-09-01 for the 2021 data; version 2022-12-01 for the 2022 data)",
      "examples": [
        "5149900"
      ]
    },
    "street_name": {
      "type": [
        "string",
        "null"
      ],
      "description": "The common name of the network link if available. Matches the name assigned by OpenStreetMap.",
      "examples": [
        "Scenic Avenue"
      ]
    },
    "highway": {
      "type": [
        "string",
        "null"
      ],
      "description": "The classification of the link based on OpenStreetMap data if available.",
      "examples": [
        "secondary_link"
      ]
    },
    "length": {
      "type": [
        "number",
        "null"
      ],
      "description": "The length of the network link in meters.",
      "examples": [
        "29.46"
      ]
    },
    "lanes": {
      "type": [
        "integer",
        "null"
      ],
      "description": "The number of lanes in the network link.",
      "examples": [
        "2"
      ]
    },
    "heading": {
      "type": [
        "integer",
        "null"
      ],
      "description": "The heading of the network link.",
      "examples": [
        "121"
      ]
    },
    "compass_direction": {
      "type": [
        "string",
        "null"
      ],
      "description": "The compass direction of the network link.",
      "examples": [
        "SW"
      ]
    },
    "geometry": {
      "type": [
        "string",
        "null"
      ],
      "description": "Orientation of speed relative to OSM way (True: parallel, False: antiparallel).",
      "examples": [
        "LINESTRING(-122.819859 45.52401, -122.821542 45.524663, -122.82234 45.524944, -122.833081 45.529006)"
      ]
    },
    "speed_limit_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Speed limit of the network link in miles per hour",
      "examples": [
        "45"
      ]
    },
    "average_speed_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Average speed for the newtork link in miles per hour",
      "examples": [
        "38"
      ]
    },
    "free_flow_speed_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Free flow speed for the network link in miles per hour.",
      "examples": [
        "44"
      ]
    },
    "speed_p50_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Median of speeds for the network link in miles per hour.",
      "examples": [
        "40"
      ]
    },
    "speed_p85_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Percentile 85 of speeds for the network link in miles per hour.",
      "examples": [
        "42"
      ]
    },
    "speed_p95_mph": {
      "type": [
        "integer",
        "null"
      ],
      "description": "Percentile 95 of speeds for the network link in miles per hour.",
      "examples": [
        "45"
      ]
    }
  },
  "additionalProperties": true
}