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As is known to all,it will cause great harm when traffic accident happens in dangerous goods transport vehicles.The mainly reason of all these accidents is that safe distance is not kept well enough.
When a dangerous goods transport vehicle moves at a high speed, the censor at the rear of it can perceive the distance from the vehicle behind. If the distance is less than the “safety distance”, the words, “Keep Vehicle Distance”, will be projected on the ground at the back of the transport vehicle.
South China Agricultural University
Guangzhou, China
Yuqi Lee,
South China Agricultural University