- Weather Channel: Travel Smart Driving Forecasts
 - Check weather forecasts for your travel route, including U.S. National Interstates. - Traffic.com
- Provides live traffic reports for major cities in the U.S. Find road closures, accident reports, freeway slowdowns, traffic advisories, and related news.
- SmarTraveler (3)
- Find sites for SmarTraveler, with traffic reports and road information for cities around the U.S.
- Science Hobbyist: Traffic Waves
- Site by a guy who is fascinated by the "traffic physics" he observes on his daily commute.
- SigAlert.com
- Live freeway traffic reports over the Web or by wireless phone. Freeway speed maps and traffic accident news for parts of northern, central, and southern California, and Phoenix, Arizona.
- AccuTraffic
- Provides links to U.S. states' transportation departments for highway information, traffic reports, road closures, and weather conditions.
- National Traffic and Road Closure Information
- Collection of U.S. traffic information and reports links published by the Federal Highway Administration.
- Metro Commute
- Traffic reports and news for the New York City, Houston, and Los Angeles metro areas. Includes map and text reports, and traffic cams for some areas.
- Highways.tv
- Offers national transportation directory featuring road cameras, maps, road conditions and closures, and links.
- Rand McNally: Road Construction
- Searchable database providing precise highway locations, type of construction, and start and end dates.
- TrafficGauge
- Mobile device that provides traffic conditions of a city's freeway system.
- BeatTheTraffic.com
- Offers interactive, real-time, zoomable traffic maps and personalized reports for major metropolitan areas of the U.S.
- Drivers.com
- An information service specializing in traffic safety, driver behaviour, training and education.
 TheWeatherNetwork.com: Highway Conditions
- Provides visitors with information on road conditions across Canada.
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