Do you know which color lights corresponds to which setting?
Some googling revealed the following...
Roadside Enforcement Indicator Lights
The Zone Controllers drive overhead enforcement lights.The enforcement lights indicate one of
the four following events:
Flashing Blue-Transponder switch indicates SOV (or non-Self Declaring
transponder)
White Light-Transponder switch indicates HOV-2
Blue Light-Transponder switch indicates HOV-3
All Three Lights Flash-Violation: No transponder was associated with the vehicle or
the transponder present in the vehicle is invalid or has a bad account status.
The enforcement lights remain illuminated until either of the following occurs:
850 milli-seconds elapse (configurable).
A different light illumination becomes necessary because of a vehicle arriving before
the time above has expired.