East Midlands Railway HST Power Cars 43066 and 43054 sandwich London North Eastern Railway 91128 and 91122 and a rake of Virgin Trains, Greater Anglia and Prototype MkIIIs whilst working from Peterborough to Doncaster and return.
This train is the Rail Operations Group/Data Acquisition & Testing Services Midland Mainline Overhead Line Test Train and is testing on the East Coast Mainline so accurate data can be recorded once the MML electrification to Kettering/Corby is complete.