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 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,