What You Got Right: Green Lights Indicate Medical Transport
Your article accurately explains that green lights typically indicate medical transport vehicles, particularly:
Volunteer
ambulances
Private medical transport services
Non-emergency patient transport (dialysis, scheduled appointments, elderly care)
These vehicles help ensure patients get to time-sensitive medical treatments without life-threatening emergencies.
The Official Meaning (By State)
Green light laws vary by state. Let me give you an overview.
Most common rules:
Green lights are used by non-emergency medical transport vehicles.
They are not authorized to run red lights or exceed speed limits.
They cannot force other drivers to yield (unlike red lights and sirens on emergency vehicles).
They are courtesy lights—drivers are requested to yield,
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but not legally required (in most states).
States with specific laws:
Florida: Green lights indicate “ambulettes” (non-emergency medical transport). Drivers should yield but are not legally required.
California: Green lights are used by volunteer firefighters and some medical transport. Yielding is requested, not required.
