Tunnel closures on Ring I in Leppävaara and on Ring II
The westbound lanes of Mestarintunneli on Ring I in Leppävaara will be closed on the night of 19–20 May (Thu–Fri) from midnight until 4:30. The tunnel will be closed due to tunnel system testing and maintenance. During the closure, traffic will be diverted to Turuntie and Mäkkylän puistotie. The tunnel will be opened to traffic as soon as the testing and maintenance work have been completed.
The Hiidenkallio tunnel on Ring II will be closed to traffic in both directions on Tuesday 24 May from 10:00 to 15:00 due to a rescue exercise. During the rescue exercise, traffic will be diverted to an alternative route.