The City of Saskatoon says street sweeping has been underway and neighbourhood pre-sweeping begins today through Friday and because it is pre-sweeping there will be no yellow No Parking signs. Pre-sweeping on main streets will occur in Avalon, Dundonald, Evergreen, Greystone Heights, Grosvenor Park, Hudson Bay, Massey Place, North Park and Westview this week. Neighbourhood street sweeping gets underway in earnest May 10th and is scheduled to last for 7 weeks.