Yellowknife 24 hours per day 7 days per week. The highway system in the NWT is maintained by the Government of the Northwest Territories. Highway 4 (Ingraham Trail) and Highway 3 (Yellowknife Highway) both run through Yellowknife and are all-weather roads. One well-known, almost infamous, road in Yellowknife is Ragged Ass Road, after which Tom Cochrane named an album. Until 2012, Yellowknife did not have a permanent road connection to the rest of Canada's highway network, as the Yellowknife Highway relied, depending on the season, on ferry service or an ice road to cross the Mackenzie River. With the completion of
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