In previous studies lighting levels were measured in several tunnels in DKI Jakarta, one of them was Pasar Rebo Tunnel. The measurement results indicate that the level of lighting in the tunnel does not meet the SNI standards. Then based on those lighting measurement, a tunnel model was developed to make a simulation of lighting level in the tunnel. This paper will discussed the influence of tunnel ceiling shape on the distribution of lighting levels in the tunnel. Simulation is done with the help of DIALUX software.
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