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 Yellowknife began with the discovery of diamonds north of the city in 1991. The last of the gold mines in Yellowknife closed in 2004. Today, Yellowknife is primarily a government town and a service centre for the diamond mines. On April 1, 1999, its purview as capital of the NWT was reduced when the territory of Nunavut was split from the NWT. As a result, jurisdiction for that region of Canada was transferred to the new capital city of Iqaluit. Consequently, Yellowknife lost its standing as the Canadian capital city with the smallest population. Yellowknife is on the Canadian Shield,