» American Highway Users Alliance
Interest group representing motor vehicle users and businesses promoting highway safety and efficiency. News updates and Rules of the Road publication information.
» Corporate Sponsor Adopt A Highway Program
Lists the steps which may be taken for Adopt-A-Highway Litter Removal Service of America, Incorporated to manage the section which is requested. Includes option to receive visual impressions.
» Gorp's Top Ten US Scenic Drives
List which includes details on the Blue Ridge Parkway, Seward Highway, California 1, Vermont 100, and the Custer Scenic Byway.
» Green Highways Partnership
Multi-sector initiative that seeks to incorporate environmental sustainability into all surface transportation infrastructure. FAQs, media resources, and contact information.
» Heartland Expressway
A proposed divided highway running between Rapid City, South Dakota and Denver, Colorado, also known as High Priority Corridor 14 of the Intermodal Surface Transportation Efficiency Act of 1991. Maps, project status, and various other facts.
» High Priority Corridors
Information about these highways which have been set aside as most important in the 1998 bill "Transportation Equity Act for the 21st Century (TEA-21)".
» Highway History
Federal Highway Administration page with a collection of articles including those on U.S. Highway numbering and creation of the Interstate system.
» Kim Russell's U.S. Highways Page
Gives brief descriptions of all U.S.-numbered routes, past and present, as well as suggestions for possible future routings.
» Ports-to-Plains Trade Corridor
Coalition to improve north-south transport in the West-Central part of the country. Maps, construction information, and contact information.
» The Interstate is 50
American Association of State Highway and Transportation Officials page commemorating the 50th anniversary of the Interstate System in 2006. Includes history and photographs.
» U.S. Hwy. 90 - The Southern Route 66
Travelogue and old postcard scans. Page linked is Louisiana but there are also pages on Texas, Mississippi, Alabama, and Florida.