SYSTEM FOR LIGHTING A TUNNEL OR AN UNDERGROUND STEP.

摘要

- System for lighting a tunnel or an underground passage, with a lighting device (2) that is arranged in the area of the side walls (3) of the tunnel or the underground passage, and presents - first lighting means (11 ) that are configured to emit light at a relatively flat horizontal angle by rubbing the surface of the tunnel floor or the underpass, as well as - second lighting means (12) that are configured to direct the light by touching the side wall of the tunnel or the underground passage in which the lighting device (2) is arranged, characterized in that the second lighting means (12) are configured to generate a light cone (22) that is directed upwards.