After substantial use or after heavy rain unpaved surface may become rutted or eroded and it is a frequent necessity to re-grade the surface. Graded roads can allow vehicle speeds in excess of 80 kilometres per hour (50 mph) but there are often many obstacles that make this unsafe. Indian Isle Construction offers two sizes of grader for commercial and residential application. Whether it is an access road or a private driveway, we have the right equipment! We also offer road maintenance package including ditch cleaning and culvert installation, complete with gravel supply.