(08 Jun 2016, 7:53 pm)South Tyne Lad wrote That's what I imagine will happen, with the current 11 I believe there's 2 buses at a time in the section between Crawcrook and Blackhall Mill, So 2 B9s might be needed.
Aye just looked at the timetable and it's 16 minutes from Greenside to Blackhall Mill so 1 bus might be a bit of a push especially if they are improving the timetable for reliability.