`aadt_top_segments`

Pack: hpms-aadt · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/aadt_top_segments for the schema, then POST the same URL with its arguments for the data.

The busiest road segments in a US state by AADT (annual average daily traffic), optionally within one county or functional class (1 Interstate … 7 Local). From FHWA HPMS; per roadway section as reported by the state. Also the way to learn a state’s route_id naming style.

Parameters

Name	Type	Required	Description
`county`	number	no	Optional state-coded county_id (county FIPS code).
`f_system`	number	no	Optional functional system 1-7: 1 Interstate, 2 other freeway, 3 other principal arterial, 4 minor arterial, 5 major collector, 6 minor collector, 7 local.

Example call

Arguments

{
  "state": "TX",
  "f_system": 1,
  "limit": 5
}

curl

curl -X POST https://gateway.pipeworx.io/hpms-aadt/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"aadt_top_segments","arguments":{"state":"TX","f_system":1,"limit":5}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('aadt_top_segments', {
  "state": "TX",
  "f_system": 1,
  "limit": 5
});

Response shape

Field	Type	Description
`state`	string
`data_year`	number
`data_as_of`	string
`source`	string
`caveat`	string
`total_matching`	number
`returned`	number
`truncated`	boolean
`narrowing_hint`	string
`segments`	array

Full JSON Schema

{
  "type": "object",
  "properties": {
    "state": {
      "type": "string"
    },
    "data_year": {
      "type": "number"
    },
    "data_as_of": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "caveat": {
      "type": "string"
    },
    "total_matching": {
      "type": "number"
    },
    "returned": {
      "type": "number"
    },
    "truncated": {
      "type": "boolean"
    },
    "narrowing_hint": {
      "type": "string"
    },
    "segments": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "route_id": {
            "type": "string"
          },
          "f_system": {
            "type": "number"
          },
          "aadt": {
            "type": "number"
          },
          "aadt_single_unit": {
            "type": "number"
          },
          "aadt_combination": {
            "type": "number"
          },
          "county_id": {
            "type": "number"
          },
          "begin_point": {
            "type": "number"
          },
          "end_point": {
            "type": "number"
          },
          "data_year": {
            "type": "number"
          },
          "speed_limit": {
            "type": "number"
          },
          "through_lanes": {
            "type": "number"
          },
          "urban_id": {
            "type": "number"
          },
          "ownership": {
            "type": "number"
          },
          "f_system_name": {
            "type": "string"
          }
        },
        "additionalProperties": true
      }
    }
  },
  "additionalProperties": true
}

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}

Connect to just the hpms-aadt pack

{
  "mcpServers": {
    "hpms-aadt": {
      "url": "https://gateway.pipeworx.io/hpms-aadt/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

aadt_top_segments