(25 Mar 2016, 2:53 pm)idiot wrote Stagecoach tweeting high customer demand causing delays. It's the 21st century that's why and I'm sure you could run more than a Sunday service.
They could on most services but not all of them.
I doubt the likes of the 18/19 in Sunderland would get loads of passengers hence why it doesn't run on evenings and Sundays.