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FAQ
  Traffic Signals
  What does a flashing yellow left-arrow signal mean?
  What is the law on mobile infrared transmitters (MIRT) that can change traffic signal lights?
  Who do I call when a signal is not working?
  Who do I talk to about getting a traffic signal for an intersection?
  How is a traffic signal request evaluated? Why not just install a signal when citizens ask?
  Why does a traffic signal study take so long?
  Where can I get information about Traffic Signals?
  How big are traffic signals? How many lightbulbs do they require?
  Where can I obtain a program to calculate Signal Spans and Stem Length (Usable Sag)?

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