When your road tripping adventures will take you well off the beaten path, having a way to call for help and stay in touch with loved ones is essential. And as far-flung journeys go, a drive to the Arctic Ocean certainly fits the bill. Last summer, my daughter and I drove the Dempster Highway to Tuktoyaktuk in the Northwest Territories, an extremely remote 900-kilometre gravel road that is Canada’s only route from the mainland to north of the Ar…