provides an Interstate Road Conditions page that provides specific resources with up-to-date road conditions for each individual state. Information includes weather travel reports, road closures, constru... More » Geography

As of 2014, individual states are responsible for implementing and utilizing real-time information programs covering traffic and travel conditions on all interstate highways within each state. Typically each state's Depa... More » Vehicles DMV & Records

According to the Federal Highway Administration, there are 46,876 miles of interstate highway in the United States. The Interstate System was built with funds allocated to each state by a series of acts of Congress. More »

Tolls are collected on I-80 to repair and maintain the highway without raising taxes. Revenue from tolling stations also repays the bondholders that funded the original construction of the highway. More »

Live highway traffic cameras are used to monitor traffic flow and road conditions and to enable first responders to get to traffic accidents more quickly. Law enforcement agencies may use them to track suspects, and thei... More » Geography has a series of interstate weather maps that show driving conditions on major interstate roadways, as well as regional weather for different parts of the United States. The U.S. Department of Transportation's... More » Geography

Websites such as and offer road conditions and other information for the entire length of Interstate 15. focuses on I-15 weather. The highway runs from San Diego, California, in... More » Geography