reading the signal…
Signals / Event / Traffic collisions stream
in Greenbelt, MD·counted·1 all time
A crash involving only one motor vehicle, typically shown as a damaged car or roadside collision scene.
Counted, not streamed: Single-Vehicle Accident has no time series, so it is read as a footprint across places. All-time count by city.
Things that happen: permits, collisions, crimes, inspections. All-time counts.