Priority Sidewalk Winter Maintenance Enter the first few letters of the street name you are looking for: Or view  Index Map  of entire City Sidewalks, represented by thick red coloured lines, are cleared by the City on a priority basis where access is imperative, such as around hospitals, schools and public transportation systems. These sidewalks are:. either blanket salted or spot salted, as conditions warrant, within 12 hours of the end of a winter storm when snowfall is less than 5 cm; or plowed and blanket salted when snowfall exceeds 5 cm within 24 hours of the end of a winter storm If a sidewalk does not appear on this map, then it is not cleared by the City. To ensure the safety of residents in your area please remember to clear your sidewalks as soon as possible after a snowfall.