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
Yellowknife According to Environment Canada, Yellowknife has the sunniest summer in the country, averaging 1,034 hours from June to August. The lowest temperature ever recorded in Yellowknife was on 31 January 1947, and the highest was on 16 July 1989. Yellowknife averages 2256.5 hours of bright sunshine per year or 43.5% of possible daylight hours, ranging from a low of 15.4% in December to a high of 63.0% in June. Due to its warm summer temperatures, Yellowknife is well below the Arctic tree line in stark contrast to areas further east in Canada on similar parallels. In 2014, Environment Canada ranked