Provides live traffic reports for major cities in the U.S. Find road, highway and freeway closures, accident reports, construction delays, traffic advisories and conditions, and related news.
- Science Hobbyist: Traffic Waves
Site by a guy who is fascinated by the "traffic physics" he observes on his daily commute.
- National Traffic and Road Closure Information
Collection of U.S. traffic information and reports links published by the Federal Highway Administration. Includes news on freeway closures.
Offers interactive, real-time, zoomable traffic maps and personalized reports for major metropolitan areas of the U.S.
- 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.
- Weather Channel: Travel Smart Driving Forecasts
Check weather forecasts and updates on driving conditions for your travel route, including U.S. National Interstates.
Offers national transportation directory featuring road cameras, maps, highway conditions and road closures, and links.
Provides links to U.S. states' transportation departments for highway information, traffic reports, road closures, and weather conditions.
An information service specializing in traffic safety, driver behavior, training and education.
- Intellicast: Highway Weather Conditions
Find updates about U.S. highway weather conditions, including freeway closures.
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.
Find sites for SmarTraveler, with traffic reports and road information for cities around the U.S.