Register descriptions have been drafted of the personal data registers of Jokeri Light Rail. They can be found on the City of Helsinki website under the subheading Helsinki City Transport (in Finnish).
The Jokeri Light Rail project uses Google Analytics to analyse the use of the website and develop communications. Google Analytics produces statistics and other information on the use of the website by using cookies installed onto computers. The information collected on the Jokeri Light Rail website is used to draft reports on the use of the website.