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Most areas have laws that require car users to check for bicyclists before opening the door of their vehicle, but there have been serious injuries and deaths caused by drivers illegally opening their doors in the path of a passing cyclist where this is prohibited by law.
The new design is reverse door handle's joint, and it being moved to the door center instead of the front, the original location. Consequently, It leads driver and passengers can open the left door with their right hand or use their left hand to open the right door. One who wants to open the door can be lead to see whether there’s a cyclist riding behind and avoid accident
National Cheng Kung University
Tainan City, Taiwan
Chang Yu Pan
Kaohsiung county, Taiwan