A project to repair the B1094 Silt Road in Nordelph began yesterday.
The road will be closed to all through traffic for the next five weeks, from its junction with the A1122 and Coronation Avenue.
Signed diversions will be in place via the A1122 and A1101 throughout the duration of the works.
Around £120,000 is being spent on the carriageway repair project.
Norfolk County Council have warned that some disruption is inevitable and have apologised for any inconvenience caused.