Sources: Sources: Federal Highway Administration; local police and transportation officials; Times interviews, Howstuffworks.com. Graphics reporting by Rich Connell. Graphic and interactivity by Raoul Raรฑoa Los Angeles Times.
Interactive: How red light video cameras work
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chucksgone at 4:56 PM June 07, 2011
Very insightful. I was'nt aware about the magnetic field thank you.......
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