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Powerful Tool Crunches Commutes

Websites for commuters are nothing new, but researchers in Sunnyvale, Calif., have developed an advanced system with a twist: in addition to tracking traffic congestion, the program crunches data from 14,000 sensors, in some cases every 30 seconds, to decipher evolving rush-hour patterns. The end result is www. BeatTheTraffic .com, a tool that tells commuters how long they can expect to sit in their cars, which shortcuts will get them home faster that day, and even the best time to leave the home or office.