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Car Wi-Fi will improve road safety

30.08.2014

The American authorities intend to oblige automakers to equip their vehicles with wireless networks, with the help of which cars on the roads will interact with each other. Such "communication" can annually save several hundred lives.

The US National Highway Traffic Safety Administration (NHTSA) is calling for the rapid development of a national standard for automatic exchange between moving vehicles in close proximity to each other. Such communications, called Vehicle-to-vehicle (V2V), will help increase the speed of urban and suburban traffic, warn drivers about traffic jams and adverse weather and road conditions, and build a route based on this information.

V2V technologies will also improve road safety. According to NHTSA estimates, the massive introduction of just two Left Turn Assist and Intersection Movement Assist systems will help prevent up to 592 accidents per year and save about 1080 lives.

Left Turn Assist is a technology that warns drivers that they will not have time to make a left turn at an intersection, taking into account the speed of oncoming traffic. The Intersection Movement Assis function, estimating the location and speed of vehicles traveling nearby, will notify you of a possible danger of crossing roads. V2V communication functionality also includes blind spot monitoring, oncoming collision warning, emergency braking information for the vehicle in front, and more.

According to ABI Research researchers, by 2027, about 62% of new machines will be equipped with communication technologies. They are already being tested by many automakers. For example, Ford has developed an "electronic brake light" that signals to other road users that the driver has braked hard. A special alert appears on the dashboard of their cars.

For the national V2V standard, the US traffic safety authorities propose to allocate the 5,85-5,925 GHz frequency range, as well as use the IEEE 802.11p standard, which is a type of Wi-Fi for use in vehicles. Installing V2V communications will increase the cost of the vehicle by an average of $340-$350. In the future, it will be possible to reduce these costs to $209-$227, the department says.

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