A Ashington Streetlite was on the X15 yesterday, As was a X15 Branded E400 7511 on the X18.
The Streelite later in the day also worked the 1633 off Haymarket, Which is the last full Berwick Service from Haymarket, So I'm sure the driver loved the 50mph limit they have.
RE: Arriva North East: Rare & Odd Workings - July 2016
My New Flickr https://www.flickr.com/photos/140662069@N02/ - Posts every Weekend at the minimum