Helsingin liikenne- ja varoitusvaloliittymät

WFS API

From the dataset abstract

The data includes information on the locations of intersections with traffic lights and warning light. The data is an interface-format geographic dataset. Through the interface, the dataset is available almost in real time. The dataset is maintained by Helsinki’s Traffic and Street Planning. The data can be previewed at kartta.hel.fi.

Preview data in the Map Service of Helsinki.

Coordinate systems:

  • Maintained in ETRS-GK25 (EPSG:3879), can be projected to other coordinate systems. See GetCapabilities query for other possible coordinate systems.

API addresses:

Layers

  • Liikennevalot_piste
  • Varoitusvalot_piste

Attributes:

  • id (int): Unique row ID of the feature
  • numero (int): Unique identification number of the feature
  • tyyppi (string): Type of feature
  • risteys (string): Intersection where the light is located
  • lisatiedo (string)t: Any additional information about the light in question
  • datanomistaja (string): Name of the data owner
  • paivitetty_tietopalveluun (date): Date of update of the dataset
  • geom: Geometry of the feature

Source: Helsingin liikenne- ja varoitusvaloliittymät

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Additional information

Format WFS
Coordinate system ETRS-GK25
Temporal Coverage -
Data last updated 26 January 2021
Metadata last updated 22 March 2024
Created 26 January 2021
SHA256 -