A University of Michigan public-private partnership is testing vehicle to vehicle communication, finding that it makes autonomous prototypes even safer. V2V works by wirelessly sharing data such as location, speed and direction. Using DSRC, or Dedicated Short Range Communication, V2V can send up to 10 messages per second. This communication allows cars to see beyond what is immediately in front of them -- sensing a red light around a curve, or automatically braking for a car that runs a stop sign... One drawback is that the technology has to be installed in the majority of cars and infrastructure (such as traffic lights) to function adequately.


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