Drainage works will mean temporary traffic lights at Ballig Bridge for around a month.
The Department of Infrastructure says work will started at the weekend, with three way traffic flow being maintained using temporary lights.
The scheme will improve the surface water drainage system in the area and should deal with instances of standing water after heavy rainfall.
It should also mitigate the threat of surface water flooding at nearby residential properties.
Police recruitment drop-in sessions tonight
Ferry terminal and universal basic agenda on Keys agenda
Key Ramsey roads to shut for over a week
7 year old's selling animal figures for charity
Bar George debts case heads to court
Do you know these men?
Garage warns of pothole which broke two wheels today
TT riders will miss special Bray Hill tree