Yellowknife by Nav Canada. Yellowknife Transit is the public transportation agency in the city, and is the only transit system in the Northwest Territories. Road construction in Yellowknife is often a challenge due to the presence of permafrost which requires that roads generally be regraded and resurfaced every 10 to 20 years. Most roads in Yellowknife are paved and road width varies from . Winter snow removal is done on a regular schedule by the City of Yellowknife public works department. Speed limits are on most roads, in school zones, and on highways. School zones and playground zones are in effect
Provinces and territories of Canada territories are not sovereign, but instead their authorities and responsibilities come directly from the federal level, and as a result have a commissioner instead of a lieutenant governor. Notes: There are three territories in Canada. Unlike the provinces, the territories of Canada have no inherent sovereignty and have only those powers delegated to them by the federal government. They include all of mainland Canada north of latitude 60° north and west of Hudson Bay, as well as most islands north of the Canadian mainland (from those in James Bay to the Canadian Arctic islands). The following table lists the territories