Rush Hour No More
ASEE Prism, Feb 2007 by Grose, Thomas K
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A PAY-TO-DRIVE system could help ease rush-hour traffic jams, says a professor of civil engineering. Kara Kockelman, of the University of Texas at Austin, says "creditbased congestion pricing" could improve traffic speeds in bottleneck areas during morning (7:30-9:30) and evening (4:30-6:30) commutes. Her proposed system relies on using either radio frequency identification (RFID) or the Global Positioning System's satellite technology to keep track of individual cars. Each driver would start the month with a certain amount of virtual credit: When and where they drove would determine how much of (and how quickly) the credit would be spent. Once their credit is used up, drivers have to pay actual tolls. The idea is to give drivers financial incentives to avoid driving during heavy traffic periods. Her computer models indicate that peak-time traffic speeds could be increased up to 25 mph. Certainly beats crawling along at a snail's pace. -TG
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