reading the signal…
Signals / Event / Traffic collisions stream
in Norridge, IL·counted·1 all time
A head-on accident, typically involving two vehicles with damage concentrated at their front ends.
Counted, not streamed: Head-On 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.