reading the signal…
Signals / Object / Mapped places
in Depew, NY·counted·50 all time
A roadside emergency device with a bright-colored box, button, or phone for reporting fires.
Counted, not streamed: Fire Alarm Box has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.