(20 Jul 2025, 9:22 pm)PH - BQA wrote Some of the earliest pictures of the Omnicities are on the X1, such as this one of 4650 in August 2005. They also received route branding by 2006. 

[Arriva North East] 4657 (NK05 GXM) in Durham on service X1 - John Carter by The Transport Network, on Flickr

Yeah that's fair, I might be wrong on that one. They've moved around a lot over the years - kind of lost track on what they were on. Always thought they were local routes, they were bought for. Sadly the operation overdrive stuff has all but gone from the internet, anyone confirm - I'm curious now?