(31 Mar 2021, 5:40 pm)Rapidsnap wrote It might be because it exceeds the maximum distance between stops that means passes aren't valid, maybe between Boro and Whitby there's no intermediate stops.
I think it said on the timetable that there were timing points on the moors road.
Comparing it to the X9, I'd say Boro to the first stop on the moors road is less than Testos to Peterlee.