(This article is about the section of Highway 1 in Tasmania. For the entire length of the highway, see Highway 1 (Australia).) In Tasmania, Highway 1 is a 336-kilometre (209 mi) long route that connects Hobart to the state's north coast, and to Launceston via a 3.8-kilometre (2.4 mi) long spur. Highway 1 also exists on the mainland of Australia, linking the state capitals via a circular route around the coastline. All roads within the Highway 1 system are allocated a road route numbered 1, M1, A1, or B1, depending on the state route numbering system. In Tasmania the highway is designated as National Highway 1, though all other routes in the state are alphanumeric.