A few new suggestions, some a bit of a punt:

New Service 3[b] (Up to Every 20 Mins):[/b] Heworth, Ellen Wilknson Estate, Lingey Lane, Usworth, Concord, The Galleries, Lambton, Ayton, Barley Mow, Portobello, Birtley, Lansbury Drive, Lamsley, Team Valley. (Would replace GNE 82 between Birtley & Washington)

Existing Service 4: Unchanged

New Services 5 & 5A[b] (Up to Every 15 Mins): [/b]Coach Road Estate, Donwell (Bus Link), Concord, London Avenue (5A), B&Q (5), Blackfell, Oxclose, The Galleries, Glebe, Fatfield, Penshaw, Shiney Row, Barnwell 

New Services 6 & 6A[b] (Up to Every 15 Mins): [/b]
Concord, Peel Retail Park, Barmston, Brady Square (6), Biddick (6), Washington Village (6A), Glebe (6A), The Galleries, Lambton (Cambrian Way), Harraton, Rickleton

New Service 7 (Up to Every 30 Mins): See Attachment (Would replace 82 between Galleries & Waterview Park, another service would serve Washington Village)