Responses to the Helsinki traffic safety survey 2020. The survey was aimed at the residents of Helsinki and was open from 1 to 27 September 2020. The survey was conducted using a map survey tool. It asked, among...

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...