Here's another suggestion for Coast and Castles
X14 Newcastle - Morpeth express - Half-hourly
X15 Newcastle - Alnwick via Felton express - Hourly
X16 Newcastle - Berwick via Belford express - Two-hourly
515 Morpeth - Belford via Felton, Shilbottle, Alnwick (stopper service, follows current X15 route) - Hourly
518 Morpeth - Belford via Amble and The Coast (stopper service, follows current X18 route) - Hourly
X18 Summer Service - Newcastle - Belford (semi-express via current X18 route)
A1 Alnwick Town Service: Alnwick Bus Station - Alnwick Garden (bus circle) - Alnwick Bus Station - Lionheart Industrial Estate - Alnmouth Station - Alnmouth - Half-hourly
RE: Arriva North East: Service Suggestions