Two years into the construction of the Herb Gray Parkway and the city of Windsor says roads have suffered minimal damage by dump trucks hauling dirt and gravel to and from the project.

Very few city roads are designated "haul roads," which means they are the routes trucks are supposed to use when working on the $1.4-billion parkway.

Dozens of dump trucks can be seen on Huron Church Road, E.C. Row Expressway, Ojibway Parkway and parts of Sandwich and Russell streets.

At times, they line up 10 deep at the intersection of Ojibway Parkway and E.C. Row Expressway.

"That's the primary impact of the construction site. There's certainly some haulage taking place from the riverfront which is really less than a couple kilomtetres from the site," the city's director of operations, Mike Palanacki, said. "I'm not aware of any extensive, additional maintenance."

When the parkway project started, its builders sat down with the city and noted the condition of the haul roads.

Eventually, they will note their condition after.

In a statement to CBC News, parkway spokesperson Cindy Prince said the parkway builders are "responsible for mitigating impacts associated with construction...including making repairs, if necessary, to roads used during construction."

Construction of the parkway is supposed to be done at the end of next year.