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An async GeoJSON client library for NSW Transport Service Incidents.

Project description


Build Status PyPi Version

This library provides convenient async access to the NSW Transport Service Live traffic status incidents feed. The feed can be seen online on (


pip install aio-geojson-nsw-transport-incidents


See below for examples of how this library can be used. After instantiating a particular class - feed or feed manager - and supply the required parameters, you can call update to retrieve the feed data. The return value will be a tuple of a status code and the actual data in the form of a list of feed entries specific to the selected feed.

Status Codes

  • OK: Update went fine and data was retrieved. The library may still return empty data, for example because no entries fulfilled the filter criteria.
  • OK_NO_DATA: Update went fine but no data was retrieved, for example because the server indicated that there was not update since the last request.
  • ERROR: Something went wrong during the update


Parameter Description
home_coordinates Coordinates (tuple of latitude/longitude)
feature Type of Hazard to retreive

Traffic Hazards are divided into six basic types:

  • Incidents (incident-open incident-closed incident)
  • Fire (fire-open fire-closed fire)
  • Flood (flood-open flood-closed flood)
  • Alpine conditions (alpine-open alpine-closed alpine)
  • Major Events (majorevent-open majorevent-closed majorevent)
  • Roadworks (roadwork-open roadwork-closed roadwork)

Hazards can be open, closed (or both can be retreived). Refer to the Live Traffic Data Developer Guide

Supported Filters

Filter Description
Radius filter_radius Radius in kilometers around the home coordinates in which events from feed are included.
Categories filter_categories Array of category names. Only events with a category matching any of these is included.


import asyncio
from aiohttp import ClientSession
from aio_geojson_nsw_transport_incidents import NswTransportServiceIncidentsFeed
async def main() -> None:
    async with ClientSession() as websession:    
        # Home Coordinates: Latitude: -33.0, Longitude: 150.0
        # Filter radius: 50 km
        # Filter categories: 'Scheduled roadwork'
        # Hazard type : 'roadworks-open'
        feed = NswTransportServiceIncidentsFeed(websession, 
                                                (-33.0, 150.0), 
                                                filter_categories=['Scheduled roadwork'],
        status, entries = await feed.update()

Feed entry properties

Each feed entry is populated with the following properties:

Name Description Feed attribute
geometry All geometry details of this entry. geometry
coordinates Best coordinates (latitude, longitude) of this entry. geometry
external_id The unique public identifier for this incident. guid
title Title of this entry. title
attribution Attribution of the feed. n/a
distance_to_home Distance in km of this entry to the home coordinates. n/a
category The broad hazard category description assigned to the hazard by TMC Communications. Used internally by TMCCommunications for reporting hazard statistics.Please note the values used by this property are subject to change and should not be relied upon. mainCategory
publication_date The publication date of the incidents. created
description The description of the incident. headline
council_area Council are this incident falls into. roads -> suburb
road Council are this incident falls into. roads -> mainStreet
type Type of the incident (e.g. Bush Fire, Grass Fire, Hazard Reduction). type
publicTransport The publication date of this entry publicTransport
adviceA The first advice of this entry. The first standard piece of advice to motorists. At the present time adviceA
adviceB Turn the second advice of this entry adviceB
adviceOther The other advice of this entry adviceOther
isMajor True is the incident is major for this entry isMajor
isEnded True if the hazard has ended, otherwise false. Once ended, the hazard’s record in our internal tracking system is closed and further modification becomes impossible unless the record is later re-opened. This property is a counterpart to the createdproperty. When true, the lastUpdatedproperty of the hazard will be the date/time when the hazard’s record in the tracking system was closed. isEnded
isNew True if the incident is new for this entry. isNew
isImpactNetwork True if the hazard is currently having some impact on traffic on the road network. isImpactNetwork
diversions The Summary of any traffic diversions in place. The text may contain HTML markup.. diversions
subCategory The sub-category of incident of this entry. subCategory
duration The Planned duration of the hazard. This property is rarely used. duration

Feed Manager

The Feed Manager helps managing feed updates over time, by notifying the consumer of the feed about new feed entries, updates and removed entries compared to the last feed update.

  • If the current feed update is the first one, then all feed entries will be reported as new. The feed manager will keep track of all feed entries' external IDs that it has successfully processed.
  • If the current feed update is not the first one, then the feed manager will produce three sets:
    • Feed entries that were not in the previous feed update but are in the current feed update will be reported as new.
    • Feed entries that were in the previous feed update and are still in the current feed update will be reported as to be updated.
    • Feed entries that were in the previous feed update but are not in the current feed update will be reported to be removed.
  • If the current update fails, then all feed entries processed in the previous feed update will be reported to be removed.

After a successful update from the feed, the feed manager provides two different dates:

  • last_update will be the timestamp of the last update from the feed irrespective of whether it was successful or not.
  • last_update_successful will be the timestamp of the last successful update from the feed. This date may be useful if the consumer of this library wants to treat intermittent errors from feed updates differently.
  • last_timestamp (optional, depends on the feed data) will be the latest timestamp extracted from the feed data. This requires that the underlying feed data actually contains a suitable date. This date may be useful if the consumer of this library wants to process feed entries differently if they haven't actually been updated.

Attribution and motivation

This is a fork of exxamalte/python-aio-geojson-nsw-rfs-incidents. It deferes mainly as the geoJSON feeds generated by NSW Transport using QGis. QGis generates files that don't match exactly geojson format (geometry types : POINT instead of Point)

This library has been created for Home Assistant component.

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