(10 Feb 2016, 10:41 am)South Tyne Lad wrote Because its a New Type of Vehicle in the Fleet so strating fresh in a sequence ( 6301 up ) will make it easier to identify Vehicles if further orders of the Streetdeck are ordered.
Saying that above, I wouldn't be surprised if this Streetdeck is numbered 6301?
I appreciate that the company can change but they have never done this in the past. Going off this alone, I wouldn't be surprised if what you have said is not the reason (if it ever surfaces).