Drivers have been warned to expect delays heading into Norwich on Friday when two-way lights are installed at rush-hour as part of the Norwich Northern Distributor Road (NDR) project.

Norfolk County Council said the lights would be put in place on the city-bound A140 Cromer Road/A1270 NDR from about 8am because of 'urgent reprogramming of work'.

The lights will be on all day, and will be turned off at about 7pm.

They say a stage of the work must be carried out under the watch of a gas inspector, who 'became available at short notice for a limited period'.

The lights will be under manual control to minimise delays.

The council and Balfour Beatty apologised for the late announcement and the disruption.

It comes after Holt Road was closed for three months to make way for work.