Datasets

The open interface provides information in JSON format on slip warnings given to pedestrians in Helsinki. The data is updated in real time on the interface – when a slippery road warning is issued, it is immediately...

The base map of Helsinki is a large-scale (1:500) map maintained by the Urban Environment Division’s City Survey Services and used as a basis for city planning and civil engineering. The base map serves as a map...

The guide map of the Helsinki Metropolitan Area is a map of the area with a generalised documentation technique, produced to assist in positioning and guidance. The guide map is produced from the guide map data...

The prioritised winter maintenance network for pedestrians and cyclists in Helsinki includes routes where sweeping and salting and intensified maintenance are used in winter 2016–2017. The data assists in the route...

NOTE (1/2026): The service is currently unavailable. This dataset provides Helsinki's street cleaning plans. API can be queried for CSV files, see instructions below. Basic query which returns street...

The guide map of the City of Helsinki is a map of the Helsinki area with a generalised documentation technique, produced to assist in positioning and guidance. The guide map is produced from the map data maintained by...