SAFE driving guidance system in fog area of expressway

TECHNICAL PARAMETERS: Dangerous Road sections such as bend, long slope, tunnel entrance and exit are prone to serious traffic accidents under severe weather conditions such as fog, rain and snow. Research shows that no matter what the climate and road conditions, the core causes of accidents lie in drivers’failure to understand road information in advance, their negligence of consciousness, and their improper driving behavior (such as driving too fast) . In the past, the prevention of traffic accidents on dangerous roads mainly depended on static facilities such as reflective road signs, guidance signs and warning signs, and the effect was limited. In view of fog, rain, snow and other low visibility weather on the impact of vehicle traffic, fog safe driving, anti-fog induction intelligent system to ensure driving safety. The company has advanced the concept of “Prevention first, protection combined, active guidance, passive protection”, and developed the “Fog intelligent guidance anti-collision system”, which makes up for the shortcomings of the traditional safety guidance system, it can meet the requirements of speed limit and safety distance limit under heavy fog and other severe weather conditions, reduce the influence of low visibility weather on vehicle traffic, and improve road traffic safety. 1.2 safe driving risk in high speed fog area 1.2.1 the fog area is easy to cause vehicle rear-end collision, the visibility in the fog area is low, the driver can not see clearly the situation in front and around, and the judgment and control of vehicle spacing are not easy to grasp, and many drivers have developed the habit of speeding on the highway, relying only on the driver’s vision and intuition, can not better ensure driving safety. If can carry on the automatic detection to the road vehicle condition, causes the front vehicle to be able to warn in time when the distance is too close, urges the driver to slow down, avoids the vehicle rear-end accident as far as possible.1.2.2 fog areas where it is not easy for vehicles to identify the road profile, from a road perspective, the visibility in fog is low and the lane lines are blurred, making it impossible for drivers to see the road profile, markings and traffic signs in front of them, it is easy to drive out of the road boundary, especially at detours. 1.2.3 the fog area is prone to repeated rear-end collision accidents. Once a traffic accident occurs in the fog area, the accident vehicle which stops in the middle of the road will itself become a dangerous obstacle. If the vehicle behind can not give early warning in time, it is very easy to cause two car rear-end accident, so it is often met with continuous rear-end accident in fog zone. 1.3 The intelligent guidance and Collision Avoidance System in fog area of expressway is an intelligent all-weather unmanned system, which integrates meteorological monitoring, intelligent light beacon, sound and light alarm, traffic information display screen, etc. , it is often used in dangerous road (especially in fog area) , and can effectively solve the problem of dangerous road traffic safety.

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