Asian Highway Network
Network designed by the United Nations. Site includes history, maps, and photography.
Korea Highway Corporation
Deals with construction, repair and maintenance, toll collection, development of areas by expressways, and related information. Includes details about a revised route numbering system.
Metropolitan Expressway Public Corporation
Covers metropolitan Tokyo, Japan. Site includes route log, history, toll information, and organization structure details.
National Highways Authority of India
Official site. Includes news, maps, and road network information.
Utilities - Maps of India
Information about India's national highways.