(05 Feb 2017, 12:21 pm)Michael wrote Has the last remaining B10's been withdrawn from Riverside with the entry of more "The 49" Streetlites?
No - just 4900, which is out of tax.
4898, 4899 and 4922 all remain in service at present.
Go North East: 4900 / V990ETN by Daniel Graham, on Flickr