(25 May 2014, 8:54 pm)Marcus wrote I think both are normally Single Deckers. Several times on the X22 I've had a B10BLE, and once on a Sunday on the X43 I had 5337.
When Sunday workings for x22 were introduced around Xmas it was a double. Outside of that peak it's always been a single. I think the bi hourly Sunday x22 inter works with the 14 (?)