Public Street Lighting (LPJU) is an important infrastructure that supports the safety and mobility of communities, particularly along routes used for economic activities at night and in the early morning. Sukabaru Village, Benua Kayong District, Ketapang Regency, is a coastal area that requires adequate lighting to support community mobility and economic activities. This community service activity aimed to optimize the function of public street lighting to support the safety of coastal economic routes in Sukabaru Village. The activity was implemented through a technical and collaborative approach involving observation, coordination, component preparation, installation, and system testing. Optimization was carried out at 55 points through the installation of 55 LPJU units supported by 25 A contactors and photocells. The results showed that all LPJU units at the targeted points had been successfully installed and supported lighting along community mobility routes. The activity also involved the Electrical Technology Study Program, Sukabaru Village Government, Transportation Agency, and local community. The activity demonstrates that LPJU optimization can support the safety of coastal economic routes. Regular maintenance and inspection are recommended to maintain the sustainability and proper functioning of the LPJU and its control system.
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