A fleet of 16 miniature cars has been programmed to communicate with each other to avoid congestion.
Cambridge University researchers installed a lane and stopped one of the cars without a driver, blocking one of the two lanes to see his reaction.
When the communication system was turned off, a jam quickly occurred in the locked lane. However, when the cars were allowed to communicate, they slowed down to let go and keep traffic moving.
The study concluded that cars without drivers could improve traffic by at least 35%.
Scientists continue to test the park in more complex scenarios with different intersections, vehicle types and additional lanes.
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