| 摘要 |
PURPOSE: A safe intersection travelling system is provided to prevent a collision accident at an intersection by expressing a warning sensed by a vehicle sensor or people sensor on a lamp or sign. CONSTITUTION: A traffic sign(8A,8B,8C,8D) is installed at each entrance of an intersection and includes a vehicle sensor, a display lamp, and a control device. The vehicle sensor senses vehicles which enter the intersection. The traffic sign is installed on a road cross a traveling road. The control device displays a mark on a lamp(1A,1B,1C,1D) to call the attention of a driver. |
