Construction work at the junction, which is used by over 90,000 vehicles every day, is expected to start next year. The scheme is designed to improve the flow of traffic and enhance safety, following 49 collisions at the junction in the past two years.
New traffic lights will be installed at a height of over 5 metres – higher than HGVs and double-decker buses – so that drivers approaching the junction can clearly see when the lights are changing.
Other improvements will include changes to the road layout and lane markings, new barriers between carriageways, coloured high friction surfaces and better signs.
The scheme is being funded by the government’s US$274 million (£220 million) congestion relief programme, which was announced by Transport Secretary Chris Grayling last month.
