Northlandsrailway. Between Trondheim and Bodö (where the vid was filmed). There you have the maximum density of diesel powered trains in Norway (Di4 and "Talent" dieselrailcar for passenger and Di8 and class66 for freights) There are 3-5 freigths each way per day. For better info go to "jernbaneverket" webside and search for "Grafiske togruter" there you will find the timetable. Its quite accurately. And best thing up that north during summer is, up to 24hours of daylight. Have fun!!!