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
Pedestrian slip warnings in Helsinki

The open REST interface provides information in JSON format on slip warnings given to pedestrians. In addition to Helsinki, the interface also provides information on warnings...
- JSON
City of Helsinki road map

City of Helsinki's traffic routes (centreline data) contains digitised centrelines of pedestrian, cycling and vehicular traffic routes in Helsinki. They are classified according...
- WFS

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