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Solid-State Roadway Lighting Design Guide: Volume 1: Guidance (2020) / Chapter Skim
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Chapter 9 - Roadway Sign Lighting
Pages 41-41

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From page 41...
... Additional Considerations for LED Sources Using an LED light source can provide additional options for sign lighting that are not available with traditional light sources. Light sources can be placed to use the sign sheeting retroreflectivity to enhance the sign luminance and reduce the overlighting and waste of light that occurs with traditional sources.
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Key Terms

  • sign lighting
  • sign sheeting
  • sign luminance
  • roadway sign
  • light source

  • tight optical
  • optical control
  • installation method
  • render sign
  • light beyond

  • light spread
  • typical installations
  • minimize overlighting
  • additional options
  • allows placement

  • spread past
  • headlamp performance
  • closely aligned
  • led light
  • tightly controlled

  • luminaire allows
  • provide tight
  • properly render
  • sheeting retroreflectivity
  • source color

  • controlled led
  • sign colors
  • traditional sources
  • led luminaire
  • design mode


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