The longest ice road in the world is a private road built by a consortium of mining companies which extends from Tibbett Lake at the end of the Ingraham Trail 568 km to Contwoyto Lake in Nunavut. It is open to large trucks bringing supplies to the mines from January through March. Speeds are strictly controlled for safety on the ice.
Shorter winter roads in the North Slave link Wekweètì and Gamètì with Whati and are open to passenger vehicles, at your own risk. For dates and road conditions, check the Northwest Territories government website for details at www.dot.gov.nt.ca.