| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a boundary block warning a pedestrian or a driver of the presence of a stepped section when the lane form of a forward lane is made clear, no parking-stopping areas are clarified and the block is laid on a boundary between a sidewalk and a roadway. <P>SOLUTION: Reflecting plates (2) are installed to the top face and a side face or either one of a block body (1) made of concrete. <P>COPYRIGHT: (C)2003,JPO |
