Starting on Wednesday there will be 2 trains an hour from Haifa to Karmiel until 1am thursday morning. From 1 until 5am there will be 1 train an hour. After 5 it will go back to 2 an hour
There will also be 5 trains running from Karmiel direct to Bnei Beraq/Petach Tikva and Rosh Hayin ay 23:06/1:06/3:06/4:10/10:06
There will be one direct train to Ashdod at 02:30
Like I wrote earlier there will be 2 buses an hour that sync with the trains to Meron from Karmiel.