English

Noun

traffic signal box ‎(plural traffic signal boxes)

1. (US, Australia) Any of the large metal boxes containing traffic signal controls, found at roadsides and intersections, and often made available by the local council for artistic work.
   • 1976, International Federation of Automatic Control, International Federation for Information Processing, Control in Transportation Systems: Proceedings of the IFAC/IFIP/IFORS Third International Symposium, August 9-13, 1976, Columbus, Ohio, Volume 3, page 187,

     A caravan installed at the intersection close to the existing traffic signal box contains all the processing devices […] .

   • 1993, Dona Sauerburger, Independence Without Sight Or Sound, page 140,

     Therefore, we asked the traffic department to install a vibrating traffic signal box for her to feel at each side of the street; this is being pursued at the time of this writing.

   • 2008, Center City District/Central Philadelphia Development Corporation, Managing Success in Center City: Reducing Congestion, Enhancing Public Spaces, page 20,

     Officers use only hand signals and a whistle and have no access to the traffic signal box.

2. A structure holding traffic lights.
   • 2008, François W. Sauer, Relearn, Evolve, and Adapt, iUniverse, page 14,

     At such times, it is hard to define the relative position of the light in the traffic signal box. As we know, in the United States, the red light is on the top and the green at the bottom.

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