Traffic Management Finland’s open data is licensed under the Creative Commons 4.0 By license except for certain maritime data, which is licensed under a separate license. Creative Commons 4.0 By is recommended by JHS-189 as an open data license for public authorities in Finland. It gives the right to distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation.
Creative Commons 4.0 By requires that you attribute the work in the manner specified by the author of the data. In practice this means that you must give appropriate credit, provide a link to the license, and indicate if changes were made when publishing your work.
The copyright notice of the material must be preserved. The copyright notice may also include the publishing date and version number of the material, publisher name and other data that is required for identification of the material.
Typical warranties, disclaimers amd limitations of liability must be preserved. If technically possible, the material must include a hyperlink to the web site of the original material.
If the material has beem modified, it must be accompanied with a notice describing the modification and a hyperlink to the website of the original material.
The material must be accompanied with an indication that the material is licensed under the Creative Commons 4.0 By license and with a hyperlink to the license.
Traffic Management Finland may request removal of the attribution information from your work to the extent reasonably practicable.
Example: using rata.digiraffic.fi API data on a web page or in an application. Add the followig to your web page or to your application:
Source: Traffic Management Finland / digitraffic.fi, lisence CC 4.0 BY
More information about attribution can be found from the Creative Commons website.