Greater Anglia have released photos of their new train carriages, which will come into service next year.
The rail company is spending £1.4 billion on 169 new trains - a total of 1,043 new carriages.
They will run on many local routes across Norfolk, Suffolk, Cambridgeshire and North Essex.
The shells are being fitted with seats, lighting and other electrical equipment in Switzerland, before they are transported to the UK.
All of the new trains will have air conditioning, USB and plug points and free wifi.
Greater Anglia Managing Director Jamie Burles said: “We’re very excited about our new trains.
“This is part of the transformation of the railway in East Anglia. By introducing high quality new trains, offering more convenient and more reliable journeys, we hope to make train travel even better and our customers’ lives a little easier.”