Provided are methods, systems, devices, and tangible non-transitory computer readable media for providing data including vehicle map service data. The disclosed technology can perform operations including receiving vehicle map service data from client systems. The vehicle map service data can include information associated with a geographic area or sensor observations of a vehicle. Two or more portions of the vehicle map service data to which a client system is subscribed can be determined. Fused data based on the two or more portions of the vehicle map service data to which the client system is subscribed can be generated. Furthermore, the client system can be provided with access to the fused data. Access to the fused data can include authorization to send or receive portions of the vehicle map service data associated with the fused data.