reading the signal…
Signals / Object / Street-level imagery
in Chicago, IL·counted·557 all time
A train crossing is where railway tracks intersect a road, typically marked with signals, gates, or warning signs.
Counted, not streamed: Train Crossing 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.