1) Buses depart from "Marums brygga", "Simpnäs brygga" and "Östersjö brygga" in the order shown in the bus timetable. 2) Buses at 16:44 from "Norrtälje busstation" and at 5:25 from "Östersjö brygga" drive along "Campus Roslagen". See route 636 (Norrtälje - Östersjö). 3) Along the "Älmsta skola" only school days drive buses on the bus timetable marked with a. The bus at 6:50 from "Östersjö brygga" first arrives at the "Älmsta skola", then goes to "Älmsta busstation".