| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device which has ease of maintenance and can illuminate the ceiling part and the road in a tunnel.SOLUTION: A lighting device includes: a housing 11 which is fitted to a position lower than the eye line of a driver in a vehicle 9 running on a road 81 at the side of the road 81 in a tunnel 8 and has a first window part 12 fitted to the front surface at the side of the road 81 and a second window part 14 fitted to the top surface; a first lamp 2A which is fixed to the inside of the housing 11 and illuminates the road 81 via the first window part 12; and a second lamp 2B which is fixed to the inside of the housing 11, the posture of which can be adjusted by being rotated around a rotary shaft along the extending direction of the road 81 in a prescribed scope, and which illuminates a ceiling part 82 of the tunnel 8 via the second window part 14.SELECTED DRAWING: Figure 1 |
