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.
List of National Highways in India (Old numbering)
The longest National Highway is the NH 7 which is from Varanasi to Kanyakumari passing through Uttar Pradesh, Madhya Pradesh, Maharashtra, Telangana, Andhra Pradesh, Karnataka and Tamil Nadu covering a distance of , as of Sep 2011 as per National Highways Authority of India . The shortest National Highway is the NH 47A (), which connects Kundanoor Junction of maradu in Kochi city to the Kochi port at Willingdon Island. India has the distinction of having the world’s highest drivable highway connecting Manali to Leh in Ladakh, Kashmir.