Trains across East Anglia will sport the new livery

One Railway, which runs trains across Norfolk, Suffolk, Essex, Cambridgeshire and Hertfordshire, has become National Express East Anglia.

Events marking the occasion have been taking place on Wednesday in Norwich and Cambridge.

The company said it would implement a programme of improvements to raise performance and improve comfort, ticket purchases and station facilities.

Unloved brand

National Express Group chief executive Richard Bowker said: "The transition from One to National Express East Anglia is more than a change of name and livery, it's about how we do things.

"Directly tackling those issues which matter most to customers.

"We wanted a brand that makes sense to our customers and is easily recognisable as National Express - whichever of our services they travel on."

Guy Dangerfield, from the watchdog Passenger Focus, said earlier: "I think at the end of the day passengers are not hugely concerned what the train looks like as long as it's clean inside and out and runs on time.

"One was an unloved brand right from the day it was unveiled. I doubt there will be many passengers who will mourn its passing."