(25 Jan 2014, 6:33 pm)tyresmoke wrote Probably because there's no market there, and where there is one, the 15 covers it. The X1 stops at the very top anyway. You barely ever pick anyone up on a 21A or 6 and if you do it's because the 58s are running around in pairs or threes.
But the 58 doesnt run evenings/Sundays.