Located in the far north of the Canadian provinces of Nunavut and Northwest Territories, the Tibbitt to Contwoyto Winter Road connects several gold and diamond mines with roadhouses and supply stations. It is the longest winter road in the world and, like most others, is also privately operated. The Tibbitt to Contwoyto is built and operated each year by the Nuna Group of Companies. Longtime viewers of Ice Road Truckers may also remember that this is the main setting for the show’s very first season.
According to a short 2008 article in Landline Magazine — a business magazine for professional truckers — the company that operates the Tibbitt to Contwoyto Winter Road was unhappy with the way the road was laid out in the very first season of Ice Road Truckers ‘ was presented. Exaggeration of its dangers and dangers. As a result, a new rule was enacted prohibiting filming there (via the Wayback Machine).
Season 2 was filmed on Toktoyaktuk Winter Road, also in the Northwest Territories. Although the Tibbitt Contwoyto still exists, the Toktoyaktuk was replaced by a permanent, year-round highway (via CBC) in 2013. By then, the “Ice Road Truckers” had moved back to other frosty routes.
https://www.looper.com/1040148/why-ice-road-truckers-was-banned-from-filming-on-one-iconic-road/ Why Ice Road truckers have been banned from filming on an iconic road