Bus 617 runs between Hakaniemi and Helsinki Airport until midnight on Tuesday 15 August due to the industrial action by train drivers. The bus runs every 30 minutes.
Additional services on route 617:
From Hakaniemi (bay 22):
5am-midnight every 30 minutes at 17 and 47 past the hour
From Helsinki Airport (bay 12)
5am-midnight every 30 minutes at 07 and 37 past the hour