Responses to the Helsinki traffic safety survey for 2020 and 2024, open in the autumn of each year. The 2020 survey was prepared by the City of Helsinki's Urban Environment Department. The 2024 survey was prepared by...

The data includes traffic noise zones in the Helsinki metropolitan area (Helsinki, Espoo, Vantaa and Kauniainen). The dataset contains a breakdown of road and rail traffic noise zones, as well as day and night times....

The electoral districts of the Helsinki Metropolitan Area is an map published by the cities of Helsinki, Espoo, Kauniainen and Vantaa, describing the voting districts approved by the central election committees, the...