| 摘要 |
PROBLEM TO BE SOLVED: To provide a road sign device capable of drawing a line-like light sign on an irradiated surface with successful visibility.SOLUTION: In a road sign device, radiation means 1A radiates light 50 so that the light 50 is turned from an upper part to an oblique lower part on the outside of a passage part R to a boundary L for distinguishing the outside from the inside of the passage part R, or the vicinity of the boundary, runs along a passage direction P of the passage part R, and a center part 51 of a line direction 5a in a line-like light sign 5 deviates to the side of the passage direction at the passage part R where the radiation means 1A radiates the light to a radiation start point 10 which is a start point where the light is radiated from the radiation means 1A at a state that a sign device body 1 is installed at a support by an installation tool. |
