Best Traffic/Road Condition Sites on the Web:
Traffic.com
Provides traffic reports for major cities in the U.S. Find road closures, accident reports, freeway slowdowns, and traffic advisories.
www.traffic.com
Science Hobbyist: Traffic Waves
Site by a guy who is fascinated by the "traffic physics" he observes on his daily commute.
www.amasci.com/amateur/traffic/traffic1.html
SigAlert.com
Live freeway traffic reports over the Web or by wireless phone. Freeway speed maps and traffic accident summaries.
www.sigalert.com
AccuTraffic
Guide to nation-wide highway information, traffic conditions, and weather forecasts.
www.accutraffic.com
Rand McNally: Road Construction
Searchable database providing precise highway locations, type of construction, and start and end dates.
www.randmcnally.com/rmc/tools/roadConstructionSearch.jsp
National Traffic and Road Closure Information
Collection of national traffic information links published by the Federal Highway Administration.
www.fhwa.dot.gov/trafficinfo
TrafficGauge
Mobile device that provides traffic conditions of a city's freeway system.
www.trafficgauge.com
Highways.tv
Offers national transportation directory featuring road cameras, maps, road conditions, links.
www.highways.tv
BeatTheTraffic.com
Offers interactive, real-time, zoomable traffic maps and personalized reports.
www.beatthetraffic.com
AAA Directions: Driving Routes & Traffic Conditions
Online mapping tool featuring maps, driving directions, traffic conditions, and guide to nearby services.
www.csaa.com/travel/aaadirection/0,1718,1003042000,00.html
Drivers.com
An information service specializing in traffic safety, driver behavior, training and education.
www.drivers.com/home.php