The new trains introduced on Greater Anglia's rural routes were not the cause of the signalling problems that have plunged services into chaos over the last few weeks, the company said today.
Rail passengers on the Wherry lines are facing nine days of disruption as some services are suspended as part of the next phase of works to upgrade the signalling systems and track.
Passengers travelling between Norwich and Cambridge suffered the worst punctuality in the region in February as one in five trains arrived late.
A weather warning remains in place because of Storm Gareth, with the potential for gusts of up to 60mph in Norfolk today (Wednesday).
Rail passengers will face nine consecutive days of disruption with the suspension of trains from Norwich to Great Yarmouth and Lowestoft.
Greater Anglia passengers have become significantly less satisfied with their journeys over the last 12 months according to new figures from the rail watchdog Transport Focus.
A new plan to help rail services in Norfolk and Suffolk cope with extreme weather and avoid the scale of during last year's Beast from the East disruption has been drawn up.
Sky-high fares, an unreliable service, and cheaper alternative transport options are all being blamed for a significant drop in rail passengers in Great Yarmouth over the last five years.
More trains than ever are being delayed or cancelled on East Anglia's rail network as repeated pledges to improve services fall flat.
Catching the train should be a stress free way of travelling across the county but for thousands of commuters in Norfolk this just simply is not the case.
It's been a torrid year for rail passengers, hit by strikes, timetable changes and now fare increases.
Planned engineering work is continuing as part of a major signalling upgrade on the Wherry Lines from Norwich to Great Yarmouth and Lowestoft.
Rail users will be faced with nine days of disruption from this weekend as signalling system upgrades are carried out.
The "almost daily" cancellation of early morning train services between Norwich and Great Yarmouth is damaging the seaside town, councillors have claimed.
A busy Norfolk road will be shut through rush hour after a car crashed into a railway bridge.
Network Rail will train its sights this autumn on combatting leaves which fall on the line and cause delays.
A £68m signalling upgrade will see no trains run between Great Yarmouth and Reedham for at least six months.
A community will be giving back to their hero in need, who worked around the clock to keep residents and their homes safe during The Marrams coastal erosion crisis.
Holidaymakers are warning they might not return to a Norfolk gem after getting stranded following failures of three bridges.
Multiple train journeys between Norwich and London will be badly affected today because of a "major track fault".
A claim that the Norwich in 90 minutes train time ambition by Greater Anglia could hit the buffers has been refuted by an MP and the train operator.
The ambition to have 90 minute train times between Norwich and London is in doubt, it has been claimed.
When faced with a long train journey, it can often be tricky for commuters to think of how to pass the time.
A broken down train has prevented the minister responsible for the country's transport system from visiting the Great Yarmouth area today.
Transformation of Yarmouth line
Train services are expected to run as normal tomorrow after a day of snow disruption.
Forecasted heavy snow fall and sub-zero temperatures has forced Greater Anglia to put in place a contingency plan which could see trains cancelled across Norfolk and Suffolk.
I have no problem with railway works being done over school holidays - without school runs in the morning, when better to make use of replacement buses?
The closure of train services between Norwich, Lowestoft and Great Yarmouth continues this weekend for signalling improvements.
Network Rail has shared plans for how it will spend more than £2 billion to improve train services in East Anglia between 2019 and 2024.