On the 25th of August 2020 Avanti West Coast unveiled a new livery for one of its train-sets. Billed as the biggest Pride flag the UK has seen on the side of a train, the new livery wraps the full length of the 11 carriages in the Progressive Pride flag colours. The first service of this newly liveried train was staffed by a LGBTQ+ crew with the train filled with literature, stories and colourful posters featuring Pride related information as well as fun facts during the onboard announcements. It was announced in mid-October, after asking the public to submit suggestions, that the train would be named 'Progress'.

Five additional coaches in Avanti Pride livery are available allowing this set to be expanded up to a 9-car set. The coaches required to do this are R40196 - R40200.