The county's MPs have lent further backing to the campaign to get the A47 fully dualled,

The 'Just Dual It!' campaign, spearheaded by the Eastern Daily Press, Norfolk County Council and Norfolk Chamber of Commerce, aims to put pressure on the government to commit to further improvements.

Just 47pc of the A47 is dual carriageway.

While £300m of improvements are in the pipeline, only eight further miles will be dualled.

There are no current plans to dual other sections, such as the Acle Straight near Great Yarmouth or between Tilney and East Winch in the west.

The campaign aims to put full dualling, which would cost an estimated £1.4bn, at the forefront of government thinking for investment between 2020 and 2025.

Our readers have been asked to help by filling in special postcards to make the case to the government - and MPs posed with them in Parliament.

Norwich North MP Chloe Smith said: 'Fully dualling the A47 would help create jobs in Norwich because firms can do better when they can easily trade across the whole country.

'Britvic recently announced they would leave Norwich for want of good enough transport, and the A47 is a key road that needs improvement. So I 100pc back the continued campaign to dual the A47.'

South West Norfolk MP Elizabeth Truss said: 'There are too many stretches where single carriageway and safety issues are a concern, like Broadend Road Junction, and the EDP Just Dual It! campaign will drive home the message that Norfolk wants this key route upgraded.'

George Freeman, Mid Norfolk MP said: 'More needs to be done to unlock Norfolk and the East's true economic potential and tackle the numerous accident black spots, particularly those to the west of Dereham from Scarning junction.

'It is vital that we all speak together as one voice, from Lowestoft to Peterborough, to call for full dualling of the A47 to take place as soon as possible.'

North West Norfolk MP Sir Henry Bellingham said: 'I have been campaigning for a long time to secure a firm commitment from the government to dual the entire length of the A47 from Lowestoft to the A1. After all, this is what was promised as long ago as 1988 by the then transport secretary, Paul Channon.'