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E - Speed hump is installed at the crowded zone with heavy traffic to lower the driving speed
and protect the safety of the pedestrian. At the same time, the deceleration strip may also be
a security threat to the people riding through it at high speed. E - Speed hump, when cars rolling
over it, it will be self-charging to light up the red LED lamp to alert the bicyclists, to reduce the happening of traffic accidents.
Hua Cao Wenjing Huang Jian Yang Jang Yan