Some K and N trains running only between Helsinki and Korso 26 - 27 November

Every other K and N train will run only between Helsinki and Korso on Saturday 26 November about 7am-10pm and on Sunday 27 November about 10am-10pm because the eastern track on the main line will be shut down between Savio and Korso due to track work. 

The following K and N trains in the direction of Kerava will terminate at Korso (departure times from Helsinki):

On Saturday
N trains in the morning: 6.44am, 7.06am, 7.33am, 8.03am, 8.33am, 9.03am, 9.33am, 10.03am
K trains: at .06, .26, .46 past the hour (10.26am–7.06pm)
N trains in the evening: at .03, .33 past the hour (7.33pm–9.33pm)

On Sunday
N trains: at .03, .33 past the hour (10.33am–9.33pm)

The following K and N trains in the direction of Helsinki will not run between Kerava and Korso (departure times from Kerava):

On Saturday:
N trains in the morning: at .17, .47 past the hour (7.17am–10.17am)
K trains: at .02, .22, .42 past the hour (10.42am–7.22pm)
N trains in the evening: at .17, .47 past the hour (7.47pm–9.47pm)

On Sunday:
N trains: at .17, .47 past the hour (10.17am–9.47pm)