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IESNA DG-4-03

Roadway Lighting Maintenance

This Design Guide identifies the maintenance alternatives available for those managing roadway lighting systems. This Guide includes a methodology for developing a total annual maintenance budget for a roadway lighting system and an analysis of maintenance costs. The primary purpose of roadway lighting is to provide a safe nighttime environment for vehicular and pedestrian traffic. For this lighting to operate at maximum effectiveness, this Guide states that maintenance must be considered and included during the system design process. Once roadway lighting has been designed and installed, proper maintenance then becomes essential to the reliability and continued high performance of the entire system. According to this Guide, the cost/benefit relationship of proper lighting system maintenance must be determined by the system owner based upon the need for (and commitment to) reliability. This Guide provides the designer and owner with an understanding of maintenance problems and procedures, so that sound decisions can be made about scheduling and conducting appropriate maintenance for specific roadway lighting systems.

Content Provider
Illuminating Engineering Society of North America [IESNA]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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