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6. Wireless Connectivity and in-Car Inte... > 65. View Real-Time Traffic Data on t...

View Real-Time Traffic Data on the Road

If you have a wireless Internet connection for your car PC, even a slow one, you can get real-time traffic information for any major U.S. city.

Even with all the nifty PC enhancements that you can put in your car, you probably still don’t want to sit in traffic on a hot summer day sweating and wasting your time, gas, and money. There are several ways to interface with traffic data so that you can avoid bad traffic and get where you need to go before you or your car overheats.

The easiest way to access traffic data is not via a navigation program, but simply via a web browser. One of the best sites is http://www.traffic.com (see Figure 6-6). This service has sensor networks measuring traffic speeds for most major U.S. cities, and their web site provides an interactive, colorcoded map showing the state of congestion of all the major thoroughfares in a particular city. If you register for their free membership (i.e., trade your email address), you can get even more information, such as the current traffic speed on each freeway segment.


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