Information about India's national highways.
Maintains toll roads in Asia and Africa.
Official site. Includes news, maps, and road network information.
Details and photos from a 2001 trip.
Network designed by the United Nations. Site includes history, maps, and photography.
Covers metropolitan Tokyo, Japan. Site includes toll information and service area facility information.
Deals with construction, repair and maintenance, toll collection, development of areas by expressways, and related information. Includes details about a revised route numbering system.
Maintainer. Site includes map, construction information, and traffic status.