(25 Feb 2016, 12:02 am)GX03 SVC wrote Arriva X7/8 don't, nor do Phoenix's services.
Off the top of my head - Arriva 555 and Stagecoach X63 do serve the Retail part
I don't think services call into Quorum in one direction though. Arriva scrapped calling in in both directions a few month back.
The X63 only goes in Newcastle bound.