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 also resulted in new discoveries at the Con Mine, greatly extending the life of the mine. The Yellowknife townsite expanded from the Old Town waterfront, and the new townsite was established during 1945–1946. The Discovery Mine, with its own townsite, operated to the north-northeast of Yellowknife from 1950 to 1969. Between 1939 and 1953, Yellowknife was controlled by the Northern Affairs department (now Indigenous and Northern Affairs Canada) of the Government of Canada. A small council, partially elected and partially appointed, made decisions. By 1953, Yellowknife had grown so much that it was made a municipality, with its own council