Work is to resume on the scheme to help improve the long-time traffic bottleneck and improve safety on the A9 at Berriedale Braes in Caithness.
Contractors have been given the go-ahead to restart after having to suspend operations because of the coronavirus pandemic.
Dingwall-based RJ McLeod is carrying out the £9.6 million project to re-profile and widen the north hairpin bend on the trunk road.
The company is gearing up to remobilise at the site in line with the Scottish Government’s latest guidelines on the resumption of construction activities.
A spokesman said: “The health and safety of our workforce is our main priority and we have now completed the necessary planning and pre-site site preparations.
“This work has involved the revision of health and safety plans and safe operating procedures, as well as a number of physical alterations tour site offices and welfare facilities for strict adherence to hygiene and physical distancing rules.”
The company is planning for a phased return of its workforce.
The new stretch of road had been scheduled to have been completed by Easter, but became one of the many construction projects to be delayed by covid.