Widening Route 26 near Millville is running behind schedule because of the recent bad weather.
The $35 million project began in early January and is expected to be completed within the next 2 and a half years.
Officials with the engineering company say it is still too early to tell if the project will need more time.
The aim is to widen a 4.1 mile stretch of roadway along Assawoman Canal and in the Clarksville area.
In addition there will be an added turning lane, a bike lane and some sidewalks.