To report potholes on City of Toronto roads or expressways, you can submit a service request online at: http://www.toronto.ca/311/ or call 311.
If you wish to report potholes on a Provincial Highway or ramp, such as the 400,401, 403, 404, 409, 410, 427, or QEW, visit Potholes - provincial highways .
Potholes are created when water penetrates the top layer of asphalt through cracks in the road. After the moisture freezes and expands, sections of the pavement are forced up. The weight of vehicles going over this section of road breaks the pavement and the asphalt is forced out. Potholes are more frequent in the spring, after the freeze/thaw action following winter.
Crews place asphalt and rake it into the pothole. Then they tamp down the asphalt and smooth it out until the road surface is improved.
To combat the problem, the City of Toronto's Transportation Division has a number of work crews that are assigned to the job of fixing potholes and similar road defects as close to year-round as the weather permits.
Further information on the number of potholes filled, the process of fixing the potholes, and the cost can be found by visiting the City of Toronto website.