The Roads minister Robert Goodwill has hinted the government may fund a partial upgrade of the A47 which runs from the Midlands to the Norfolk Coast.
He was responding to a debate led by Norfolk MPs, who say the road should be fully dualled to improve safety and boost the economy in the region.
Last month the government launched a feasibility study into the need for improvements to the road between Peterborough and Great Yarmouth.
More top news
A weather warning for strong winds is in force with gusts of 40-50mph. This strength of wind is enough to cause disruption to travel.
Anglia Weather: Mainly dry today, but mild and windy with top temperatures of 16 deg C (61 deg F).
Norwich writer Sarah Hall has been shortlisted for the East Anglian Book Awards with her unsettling short story collection, Madame Zero.