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62 Significant opportunities have developed in the last 20 years for efficient airport parking garage lighting. No longer are designers limited to high pressure sodium as the lighting technol- ogy of choice. Airports provide a unique combination of issues for parking garage lighting. Secu- rity, wayfinding, and usability are all components of the application of light to airport spaces. With pressure to reduce costs and environmental impacts, these issues have become much more pressing. There is no technology approach that was clearly hands-down better than the others at the time this guide was written. However, each technology offers different strengths, which pro- vide more options for providing garage lighting solutions. Benefits that the customers can enjoy are improved lighting while they are in the garage, better color recognition, and an increased sense of security and safety with improved light uniformity and distribution. The freed-up elec- tric power will enable airports to offer improved amenities such as electric car charging stations. In addition to encouraging electric car use, more efficient lighting technologies enable airport authorities to reduce their environmental impact by using less energy, as well as producing less pollutants and less waste. Finally, there exists real cost savings from reduced power usage and maintenance. C H A P T E R 1 0 Conclusions and Final Remarks
