The Regional Municipality says drivers should expect delays on Kenwood Drive in Sydney River, today.
Traffic in the Alexandra Street roundabout at the top of Kenwood Drive is also affected.
Work is underway to replace sidewalks on Kenwood Drive.
Crews will be on site from 7 in the morning until 5:30 in the evening.
Construction will not happen tomorrow or Friday to avoid further traffic congestion during the first two days of school.
However, it will resume on Monday.