Dataset - Helsinki Region Infoshare

Statistical API for traffic measurement data of the city of Helsinki

Traffic measurements from Helsinki which contain data of traffic volume, average speeds and the amounts of different types of vehicles, collected for different means of...
- JSON
- CSV
Intersections with traffic lights in Helsinki

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,...
- WFS
Intersections with traffic lights in Helsinki, Espoo, Vantaa and Kauniainen

The locations of crossings with traffic lights in Helsinki, Espoo, Vantaa and Kauniainen. Data regarding Kauniainen is available as a file. Other cities' data is available...
- KMZ

You can also access this registry using the API (see API docs).