I think that washington needs more buses because there are quite a lot of areas cut off:

If you compare the current GNE network to 2003:

Albany: Moorway Unserved (Was also in 2003), Also had frequency reductions.
Ayton: Down from 5bph to 3bph.
Armstrong: Down from 5bph to 3bph.
Barmston: Horsley Road (South End) unserved, Down from 8bph to 3bph.
Barmston Court: Down from 3bph to 1bph.
Blackfell: Only 1bph along Knoulberry Road, Down from 7bph to 3bph.
Biddick: Parkway Unserved, Down from 9bph to 5bph.
Cherry Blossom Way: Served by 1bpd.
Columbia: Down from 5bph to 3bph.
Coach Road Estate: 4bph to 1bph.
Concord: Seems ok but has had frequency reductions.
Crowther: Completely Unserved.
Donwell: No direct buses from Wellbank Road or Bluebell to the galleries. Down from 9bph to 5bph.
Fatfield: Down from 12bph to 8bph.
Glebe: Down from 12bph to 6bph.
Glover: Unserved (Except 939 & 1 56 per day).
Lambton: Cambrian Way Unserved, Down from 8bph to 5bph
Oxclose: Down from 7bph to 3bph
Harraton: Bonemill Lane Unserved, Down from 10bph to 6bph
Rickleton: Rickleton Way Unserved, Down from 9bph to 4bph
Stephenson: Completely Unserved
Sulgrave: Station Road North and Waterloo Road Unserved, Down from 8bph to 6bph (Only 2bph to Galleries).
Teal Farm: No direct buses to Concord Down from 4bph to 3bph
Waterview Park: No direct buses to Concord, Down from 8bph to 3bph.

BPH: Bus(es) per hour.
BPD: Bus(es) per day.