Highway
Major highways are often named and numbered by the governments that typically develop and maintain them. Australia's Highway 1 is the longest national highway in the world at over and runs almost the entire way around the continent. China has the world's largest network of highways followed closely by the United States of America. Some highways, like the Pan-American Highway or the European routes, span multiple countries. Some major highway routes include ferry services, such as U.S. Route 10, which crosses Lake Michigan.
A86 autoroute
A86 (sometimes called "Paris super-périphérique") is the second ring road around Paris, France. It follows an irregular path around Paris with the distance from the city centre (Notre Dame) varying from . A part of A86 contains the world's longest urban motorway tunnel (10 km of continuous tunnel), opened in two parts in 2009 and 2011. The tunnel is limited to a height of and commercial vehicles are prohibited as a result.