Essential work to relocate valves beneath the busy junction of Kenneth Street and Tomnahurich Street in Inverness will begin later this month.
The relocation work by Scottish Water be carried out in two phases, with traffic lights being put in place during the first phase from 7am on August 27 until 7am on August 31.
The second phase is to start on September 15 from 7am until September 17 at 7am with both roads closed at the junction. A suitable diversion route will be put in place and clearly signposted.
Scottish Water project manager, Ailsa Shaw, said: “We appreciate that the work involves short-term disruption in order to achieve these long-term benefits for customers and road users.
“While the main roads will remain open during the initial work in late August, we would encourage drivers to allow extra time for their journeys and to consider alternative routes where they can to reduce delays.
“The final work to remove the redundant valves and reinstate the road surface has been planned to take place over the weekend to avoid the busiest times.
“Unfortunately, this work cannot be completed without closing the junction to traffic, but we will highlight the diversions available for trunk road traffic via General Booth Road and Muirton; and via the West Link road and Sir Walter Scott Drive.
“I would like to apologise for any inconvenience that is caused. Once completed, the work will mean both improved security of water supply for our customers locally and reduced risk of major disruption to the road in future.”