| 摘要 |
PURPOSE: A guide plate of a road is provided to sense the location of the safe road in night time by increasing the intensity of light. CONSTITUTION: A guide plate of a road comprises a secondary body(30), a first body(10) and a retro-reflection sheet(20). The secondary body has a projecting end and a nut insertion passage. The protrusion step is into one body projected in the upper side of a bottom plate. A guide hole in which a bolt passes through is symmetrically formed on a protrusion step. A screwnut interleave channel is formed in the downward of the guide hole. A supporting board and a protruding stripe are formed on the first body. The supporting board is inserted in the protrusion step of the secondary body in a cap mode.
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