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49Did driving the speed limit cost a 79-year-old man his life?

On June 15, 2009, 79-year-old Andrew Cavanaugh was t-boned on the passenger side of his 2004 Buick Century while driving through an intersection and subsequently died from injuries he sustained in the collision. Both Cavanaugh and the driver of the 2003 Toyota Camry that struck him, 71-year-old Jacqueline Stinson, were travelling at the posted speed limit of 25 mph at the time of the accident. The only problem was that the stoplight on Cavanaugh's end of the intersection was timed to require a m

96Traffic light as redesigned for the color blind

The Uni-Signal traffic light – Click above for high-res image gallery

20Audi traffic light detection system gets the green-light

Audi's stoplight detection system, called Travolution, has been given the go-ahead for expansion in the company's hometown of Ingostadt, Germany. Travolution establishes a connection between a red light and a vehicle, so that as a specially equipped car moves toward a red light at an intersection, stop light gantries fitted with communications modules can let the car know when the light will turn green. The car then lets the driver know what speed he should maintain in order to pass through the

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