Tram routes 3 and 4 diverted on the night of 21/22 April
There will be track work on Mannerheimintie by the Forum Shopping Center after midnigh on the night of 21/22 April.
Tram 3 from Hakaniemi will be diverted to run from the Senater Square along Aleksanterinkatu to Mannerheimintie.
Tram 4 from Munkkiniemi will be diverted to run from Rautatientori to the Senate Square.
In the other direction, both of the trams will use their normal routes.