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National Cooperative Highway Research Program - http://www.trb.org/CRP/NCHRP/NCHRP.asp
Details on this division of the Transportation Research Board, a unit of the National Research Council. |
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Highway History - http://www.fhwa.dot.gov/infrastructure/history.htm
Federal Highway Administration page with a collection of articles including those on U.S. Highway numbering and creation of the Interstate system. |
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American Society of Highway Engineers - http://www.highwayengineers.org/
Newsletters, FAQ, and other features relevant to the trade. |
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Green Highways Partnership - http://www.greenhighways.org/
Multi-sector initiative that seeks to incorporate environmental sustainability into all surface transportation infrastructure. FAQs, media resources, and contact information. |
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The Road Information Program - http://www.tripnet.org/
Nonprofit organization promoting policies which are designed to improve traffic conditions. |
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American Highway Users Alliance - http://www.highways.org/
Interest group representing motor vehicle users and businesses promoting highway safety and efficiency. News updates and Rules of the Road publication information. |
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Highways.TV - http://www.highways.tv/
Links to state transportation resources throughout the country including weather, cams, reports, and hotel reservations. |
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Ports-to-Plains Trade Corridor - http://www.portstoplains.com/
Coalition to improve north-south transport in the West-Central part of the country. Maps, construction information, and contact information. |
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The Interstate is 50 - http://www.interstate50th.org/
American Association of State Highway and Transportation Officials page commemorating the 50th anniversary of the Interstate System in 2006. Includes history and photographs. |
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Road Trip USA - http://www.roadtripusa.com/
Great detail on various at-grade long-distance routes. |
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Adopt A Highway Maintenance Corporation - http://www.adoptahighway.com/
Provides for sponsorship in various states. |
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Interstate-Guide.com - http://www.interstate-guide.com/
Includes the Interstate Guide, the List of Interstate Business Routes, and the Interstate Shield Gallery. Includes coverage. |
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Heartland Expressway - http://www.heartlandexpressway.com/
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. |
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Corporate Sponsor Adopt A Highway Program - http://www.adoptahighway.net/
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. |
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U.S. Route 6 Tourist Association - http://www.route6tour.com/
Covers the entirety of the route. Page includes background, news articles, and maps. |
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U.S. Hwy. 90 - The Southern Route 66 - http://ucmmuseum.com/hwy90la.htm
Travelogue and old postcard scans. Page linked is Louisiana but there are also pages on Texas, Mississippi, Alabama, and Florida. |
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Multiplex Index - http://www.m-plex.com/roads/mpindex.html
Gallery of shields along roads with more than one route number. |
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US Route 20 - http://www.usroute20.com/
Information and some history. |
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American Byways - http://www.americanbyways.com/
Covers Kentucky, Ohio Tennessee, Virginia, and West Virginia and surrounding areas. Photography, historical information, and forum. |
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Traffic Counts - http://www.webspawner.com/users/beachbuminda650/
List of Average Daily Traffic (ADT) tallies for major metropolitan areas. |