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Luminous Intensity for Traffic Signals:
A Scientific Basis for Performance Specifications

John D. Bullough, Peter R. Boyce, Andrew Bierman,
Kathryn M. Conway, Kun Huang, Conan P. O'Rourke,
Claudia M. Hunter and Akiko Nakata

Lighting Research Center
Rensselaer Polytechnic Institute
Troy, NY 12180

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