Neil Williams wrote:

So TfL now have 6, then, not 4?

Correct. Most of them now inappropriately named for the Tottenham and
Hampstead route!

150 120 "Gospel Oak - Barking 2000"
150 123 "Richard Crane"
150 128 "Bedford-Bamberg 30"
150 129 "Marston Vale"
150 130 "Bedford - Bletchley 150"
150 131 "LESLIE CRABBE"


;-)