19th November 2017 GWR IEP's No. 800003 'Queen Elizabeth II - Queen Victoria' & No. 800004 'Isambard Kingdom Brunel / Sir Daniel Gooch' have not yet entered passenger service and continue to be used on various testing diagrams. One such test was Sunday 19th November 2017 when the pair operated the 5Z41 10:07 London Paddington - Taunton and 5Z42 14:04 Taunton - London Paddington return service. The pair are pictured passing Cogload Junction on the approach to Taunton (Photo: Simon Harling)