The Dual Carriageway in Newport is to close for hedge cutting works.
Medina Way will be shut from 7.30pm to 11pm tonight (Wednesday).
Island Roads says the closure is necessary to allow for hedge cutting works on the northern end of the central reservation.
Drivers should follow diversions via Hunnyhill or Riverway, and rejoin Medina Way at the slip roads either side.
A map of the closure is as followed: