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Showing 1–27 of 27 editor-approved links.
Great detail on various at-grade long-distance routes.
A compendium of substandard features.
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.
Provides for sponsorship in various states.
Information about state routes that could be an interstate of the same number.
UC Davis and Caltrans highway research center.
Several freeway plans for the San Francisco Bay Area and California highway signs.
Information and history about all past and present numbered routes. Includes maps, future plans, and a list of "secret" routes the state maintains but does not signpost.
Photos and descriptions of various main routes.
Used on most of the toll roads in the state.
Official site. Includes interchanges, toll rates, construction information, and history.
Official site of the company that now leases the toll route in southeast Chicago. Site includes history and toll information.
Includes in-depth reports of various examples in the southern part of the state, focusing on former alignments.
Illustrates official 2005 highway map error notes.
Contains pictures from around the state, pictures of sign goofs, fun facts, and guides to interstates and parkways.
Official site.
Commonly known as MassHighway. Responsible for state highways. Includes information on commuting, recycling, and traffic statistics.
Route log.
Official site. Includes news, toll information, travel plaza maps, and FAQ. Also includes information on the Tappan Zee Bridge corridor study.
Covers various aspects, such as street signs and former NC-10.
Route log.
OCIA services include research for anyone seeking data on the infrastructure, construction issues, multimodal transportation planning, and water and sewer issues.
Contains video clips of various examples.
Information concerning the IH 30/IH 35E Canyon, Mixmaster and Lower Stemmons Freeway projects in Dallas.
Information and news for the toll roads in Dallas. Details on the TollTag system.
Weblog providing political commentary and information. Includes links to related websites and sites of elected officials in the state.
Official site.