Northwest Territories ice was not thick enough to handle vehicle load but the ferry could not pass through the ice, which would require all goods from fuel to groceries to be airlifted during the transition period. Yellowknife Transit is the public transportation agency in the city, and is the only transit system within the Northwest Territories. Yellowknife Airport is the largest airport in the territory in terms of aircraft movements and passengers. It is the gateway airport to other destinations within the Northwest Territories. As the airport of the territory capital, it is part of the National Airports System. It is the
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,