Smart Traffic Sign Stops Collisions

Sept. 13, 2007
Researchers at the Transportation Research Institute (Technion-Israel Institute of Technology) developed a smart traffic sign that helps drivers make correct decisions and avoid collisions at intersections without signals.

Julie Kalista
Online Editor

Two cameras mounted on a pole at the intersection monitor the main road and the secondary road. Underneath the cameras, a computer constantly processes data it receives from the cameras. When a collision risk is identified, flashing lights on two yield signs at the intersection are activated, alerting drivers.

The device is currently being tested at a four-way intersection in Tel Aviv. The intersection has limited visibility and high-speed access from the main road. Differentiating between this main road and the secondary road has been a challenge for developers.

Because determining who has the right-of-way at such intersections is difficult, researchers hope the device will reduce accidents and near-accidents without impeding traffic flow on the main road.

The team is also working on a smart traffic light that will either flash or delay the green light in the other direction when it senses a driver will run a red light. The device, in this instance, will double as a traffic violation camera.

More Information:
Technion-Israel Institute of Technology

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