Penerangan Jalan Umum (PJU) is a lamp that is used for street lighting at night so as to make it easier for pedestrians, cyclists and motorists to see more clearly the road / road that will be passed at night, so as to improve traffic safety and security from users the way of criminal activities / actions.

Street lighting in urban areas has a function:

• Produces contrast between object and road surface;
• As a road user navigation aid;
• Improve the safety and comfort of road users, especially at night;
• Supporting environmental security;
• Providing the beauty of the road environment